./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--amc6821.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:01:08,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:01:08,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 00:01:08,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:01:08,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:01:08,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:01:08,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:01:08,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:01:08,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:01:08,969 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:01:08,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:01:08,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:01:08,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:01:08,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:01:08,972 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:01:08,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:01:08,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:01:08,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:01:08,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:01:08,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:01:08,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:01:08,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:01:08,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:01:08,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:01:08,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:01:08,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:01:08,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:01:08,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:01:08,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:01:08,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:01:08,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:01:08,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:01:08,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:01:08,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:01:08,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:01:08,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:01:08,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:01:08,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:01:08,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:01:08,983 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df [2023-11-29 00:01:09,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:01:09,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:01:09,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:01:09,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:01:09,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:01:09,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2023-11-29 00:01:12,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:01:12,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:01:12,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2023-11-29 00:01:12,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/data/6e380b5a6/2c612cc1e3a44156a4b4b7b9779cf8fe/FLAGb6c383f58 [2023-11-29 00:01:12,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/data/6e380b5a6/2c612cc1e3a44156a4b4b7b9779cf8fe [2023-11-29 00:01:12,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:01:12,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:01:12,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:01:12,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:01:12,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:01:12,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:01:12" (1/1) ... [2023-11-29 00:01:12,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cfc5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:12, skipping insertion in model container [2023-11-29 00:01:12,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:01:12" (1/1) ... [2023-11-29 00:01:12,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:01:13,370 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_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2023-11-29 00:01:13,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:01:13,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:01:13,685 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_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2023-11-29 00:01:13,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:01:13,824 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:01:13,832 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:01:13,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13 WrapperNode [2023-11-29 00:01:13,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:01:13,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:01:13,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:01:13,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:01:13,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:13,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,002 INFO L138 Inliner]: procedures = 138, calls = 1489, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4020 [2023-11-29 00:01:14,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:01:14,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:01:14,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:01:14,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:01:14,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,189 INFO L175 MemorySlicer]: Split 946 memory accesses to 36 slices as follows [1, 100, 2, 8, 2, 4, 2, 2, 4, 4, 10, 5, 1, 5, 30, 486, 15, 56, 65, 2, 4, 2, 2, 2, 2, 2, 4, 4, 64, 4, 4, 4, 33, 3, 4, 4]. 51 percent of accesses are in the largest equivalence class. The 755 initializations are split as follows [0, 0, 0, 8, 2, 4, 2, 2, 0, 4, 8, 3, 0, 3, 30, 486, 0, 0, 65, 2, 4, 2, 2, 2, 0, 2, 4, 4, 64, 4, 4, 4, 33, 3, 4, 0]. The 97 writes are split as follows [0, 46, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2023-11-29 00:01:14,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:01:14,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:01:14,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:01:14,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:01:14,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (1/1) ... [2023-11-29 00:01:14,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:01:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:01:14,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:01:14,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82e8a1bd-db59-4ef2-9c06-c7422e98dcde/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:01:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2023-11-29 00:01:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2023-11-29 00:01:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-29 00:01:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-29 00:01:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 00:01:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 00:01:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 00:01:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-29 00:01:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2023-11-29 00:01:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2023-11-29 00:01:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-29 00:01:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-29 00:01:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2023-11-29 00:01:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 00:01:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 00:01:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 00:01:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 00:01:14,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-29 00:01:14,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 00:01:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 00:01:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 00:01:14,472 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-29 00:01:14,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-29 00:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 00:01:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 00:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2023-11-29 00:01:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2023-11-29 00:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-29 00:01:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-29 00:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2023-11-29 00:01:14,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2023-11-29 00:01:14,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2023-11-29 00:01:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2023-11-29 00:01:14,474 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 00:01:14,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 00:01:14,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 00:01:14,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-29 00:01:14,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2023-11-29 00:01:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-11-29 00:01:14,478 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 00:01:14,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 00:01:14,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 00:01:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-29 00:01:14,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2023-11-29 00:01:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-11-29 00:01:14,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 00:01:14,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 00:01:14,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 00:01:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-29 00:01:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2023-11-29 00:01:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2023-11-29 00:01:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2023-11-29 00:01:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2023-11-29 00:01:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-29 00:01:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-29 00:01:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2023-11-29 00:01:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2023-11-29 00:01:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:01:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 00:01:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 00:01:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 00:01:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-29 00:01:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-11-29 00:01:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-11-29 00:01:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2023-11-29 00:01:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2023-11-29 00:01:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:01:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:01:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2023-11-29 00:01:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2023-11-29 00:01:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 00:01:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 00:01:15,087 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:01:15,090 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:01:18,464 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:01:18,872 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:01:18,872 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:01:18,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:01:18 BoogieIcfgContainer [2023-11-29 00:01:18,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:01:18,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:01:18,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:01:18,879 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:01:18,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:01:12" (1/3) ... [2023-11-29 00:01:18,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61aead61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:01:18, skipping insertion in model container [2023-11-29 00:01:18,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:01:13" (2/3) ... [2023-11-29 00:01:18,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61aead61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:01:18, skipping insertion in model container [2023-11-29 00:01:18,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:01:18" (3/3) ... [2023-11-29 00:01:18,882 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2023-11-29 00:01:18,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:01:18,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:01:18,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:01:18,977 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=PETRI_NET, 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;@52ca60af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:01:18,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:01:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 893 states, 664 states have (on average 1.5753012048192772) internal successors, (1046), 671 states have internal predecessors, (1046), 199 states have call successors, (199), 28 states have call predecessors, (199), 28 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) [2023-11-29 00:01:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 00:01:19,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:19,003 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] [2023-11-29 00:01:19,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:19,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash 307823654, now seen corresponding path program 1 times [2023-11-29 00:01:19,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:19,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930764409] [2023-11-29 00:01:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:19,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 00:01:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:19,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:19,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930764409] [2023-11-29 00:01:19,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930764409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:19,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:19,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:19,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754186628] [2023-11-29 00:01:19,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:19,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:19,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:19,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:19,725 INFO L87 Difference]: Start difference. First operand has 893 states, 664 states have (on average 1.5753012048192772) internal successors, (1046), 671 states have internal predecessors, (1046), 199 states have call successors, (199), 28 states have call predecessors, (199), 28 states have return successors, (199), 199 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-29 00:01:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:21,915 INFO L93 Difference]: Finished difference Result 2810 states and 4753 transitions. [2023-11-29 00:01:21,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:21,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 30 [2023-11-29 00:01:21,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:21,949 INFO L225 Difference]: With dead ends: 2810 [2023-11-29 00:01:21,949 INFO L226 Difference]: Without dead ends: 1914 [2023-11-29 00:01:21,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:21,965 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 1526 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:21,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 3605 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:01:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2023-11-29 00:01:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1761. [2023-11-29 00:01:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1315 states have (on average 1.561977186311787) internal successors, (2054), 1320 states have internal predecessors, (2054), 391 states have call successors, (391), 55 states have call predecessors, (391), 54 states have return successors, (385), 385 states have call predecessors, (385), 385 states have call successors, (385) [2023-11-29 00:01:22,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2830 transitions. [2023-11-29 00:01:22,134 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2830 transitions. Word has length 30 [2023-11-29 00:01:22,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:22,134 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2830 transitions. [2023-11-29 00:01:22,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-29 00:01:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2830 transitions. [2023-11-29 00:01:22,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 00:01:22,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:22,139 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] [2023-11-29 00:01:22,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:01:22,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:22,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:22,140 INFO L85 PathProgramCache]: Analyzing trace with hash 878206021, now seen corresponding path program 1 times [2023-11-29 00:01:22,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:22,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475603408] [2023-11-29 00:01:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:22,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 00:01:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:22,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:22,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475603408] [2023-11-29 00:01:22,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475603408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:22,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:22,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:22,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476449483] [2023-11-29 00:01:22,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:22,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:22,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:22,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:22,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:22,518 INFO L87 Difference]: Start difference. First operand 1761 states and 2830 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-29 00:01:24,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:24,470 INFO L93 Difference]: Finished difference Result 5543 states and 9002 transitions. [2023-11-29 00:01:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:24,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 31 [2023-11-29 00:01:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:24,501 INFO L225 Difference]: With dead ends: 5543 [2023-11-29 00:01:24,502 INFO L226 Difference]: Without dead ends: 3783 [2023-11-29 00:01:24,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:24,512 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 1516 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 431 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 431 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:24,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 3617 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [431 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:01:24,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2023-11-29 00:01:24,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3490. [2023-11-29 00:01:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2609 states have (on average 1.560751245688003) internal successors, (4072), 2614 states have internal predecessors, (4072), 772 states have call successors, (772), 109 states have call predecessors, (772), 108 states have return successors, (766), 766 states have call predecessors, (766), 766 states have call successors, (766) [2023-11-29 00:01:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5610 transitions. [2023-11-29 00:01:24,721 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5610 transitions. Word has length 31 [2023-11-29 00:01:24,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:24,722 INFO L495 AbstractCegarLoop]: Abstraction has 3490 states and 5610 transitions. [2023-11-29 00:01:24,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-29 00:01:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5610 transitions. [2023-11-29 00:01:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 00:01:24,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:24,724 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] [2023-11-29 00:01:24,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:01:24,725 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:24,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash -710865538, now seen corresponding path program 1 times [2023-11-29 00:01:24,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:24,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537154679] [2023-11-29 00:01:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:01:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:25,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:25,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537154679] [2023-11-29 00:01:25,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537154679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:25,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359984808] [2023-11-29 00:01:25,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:25,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:25,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:25,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:25,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:25,043 INFO L87 Difference]: Start difference. First operand 3490 states and 5610 transitions. Second operand has 4 states, 4 states have (on average 4.5) 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) [2023-11-29 00:01:27,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:27,087 INFO L93 Difference]: Finished difference Result 11008 states and 17880 transitions. [2023-11-29 00:01:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:27,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) 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 [2023-11-29 00:01:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:27,150 INFO L225 Difference]: With dead ends: 11008 [2023-11-29 00:01:27,150 INFO L226 Difference]: Without dead ends: 7519 [2023-11-29 00:01:27,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:27,170 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 1528 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:27,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 3650 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:01:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states. [2023-11-29 00:01:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 6946. [2023-11-29 00:01:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6946 states, 5195 states have (on average 1.5595765158806545) internal successors, (8102), 5200 states have internal predecessors, (8102), 1534 states have call successors, (1534), 217 states have call predecessors, (1534), 216 states have return successors, (1528), 1528 states have call predecessors, (1528), 1528 states have call successors, (1528) [2023-11-29 00:01:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6946 states to 6946 states and 11164 transitions. [2023-11-29 00:01:27,610 INFO L78 Accepts]: Start accepts. Automaton has 6946 states and 11164 transitions. Word has length 26 [2023-11-29 00:01:27,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:27,610 INFO L495 AbstractCegarLoop]: Abstraction has 6946 states and 11164 transitions. [2023-11-29 00:01:27,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) 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) [2023-11-29 00:01:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 6946 states and 11164 transitions. [2023-11-29 00:01:27,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 00:01:27,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:27,613 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] [2023-11-29 00:01:27,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:01:27,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:27,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:27,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2137387940, now seen corresponding path program 1 times [2023-11-29 00:01:27,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:27,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223921968] [2023-11-29 00:01:27,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:27,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 00:01:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:27,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:27,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223921968] [2023-11-29 00:01:27,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223921968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:27,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:27,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:27,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59206598] [2023-11-29 00:01:27,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:27,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:27,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:27,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:27,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:27,950 INFO L87 Difference]: Start difference. First operand 6946 states and 11164 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-29 00:01:30,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:30,317 INFO L93 Difference]: Finished difference Result 21884 states and 35538 transitions. [2023-11-29 00:01:30,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:30,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 32 [2023-11-29 00:01:30,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:30,437 INFO L225 Difference]: With dead ends: 21884 [2023-11-29 00:01:30,437 INFO L226 Difference]: Without dead ends: 14939 [2023-11-29 00:01:30,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:30,472 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 1515 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:30,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 3665 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 00:01:30,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14939 states. [2023-11-29 00:01:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14939 to 13806. [2023-11-29 00:01:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13806 states, 10327 states have (on average 1.5580517091120365) internal successors, (16090), 10332 states have internal predecessors, (16090), 3046 states have call successors, (3046), 433 states have call predecessors, (3046), 432 states have return successors, (3040), 3040 states have call predecessors, (3040), 3040 states have call successors, (3040) [2023-11-29 00:01:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13806 states to 13806 states and 22176 transitions. [2023-11-29 00:01:31,353 INFO L78 Accepts]: Start accepts. Automaton has 13806 states and 22176 transitions. Word has length 32 [2023-11-29 00:01:31,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:31,353 INFO L495 AbstractCegarLoop]: Abstraction has 13806 states and 22176 transitions. [2023-11-29 00:01:31,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-29 00:01:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 13806 states and 22176 transitions. [2023-11-29 00:01:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 00:01:31,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:31,355 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] [2023-11-29 00:01:31,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:01:31,355 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:31,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:31,356 INFO L85 PathProgramCache]: Analyzing trace with hash 161335085, now seen corresponding path program 1 times [2023-11-29 00:01:31,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:31,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319187324] [2023-11-29 00:01:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 00:01:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:31,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:31,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319187324] [2023-11-29 00:01:31,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319187324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:31,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:31,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200510663] [2023-11-29 00:01:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:31,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:31,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:31,605 INFO L87 Difference]: Start difference. First operand 13806 states and 22176 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:01:34,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:34,237 INFO L93 Difference]: Finished difference Result 43512 states and 70606 transitions. [2023-11-29 00:01:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:34,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-29 00:01:34,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:34,381 INFO L225 Difference]: With dead ends: 43512 [2023-11-29 00:01:34,381 INFO L226 Difference]: Without dead ends: 29707 [2023-11-29 00:01:34,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:34,438 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1520 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 3698 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:34,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 3698 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:01:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29707 states. [2023-11-29 00:01:35,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29707 to 27454. [2023-11-29 00:01:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27454 states, 20519 states have (on average 1.5561187192358301) internal successors, (31930), 20524 states have internal predecessors, (31930), 6070 states have call successors, (6070), 865 states have call predecessors, (6070), 864 states have return successors, (6064), 6064 states have call predecessors, (6064), 6064 states have call successors, (6064) [2023-11-29 00:01:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27454 states to 27454 states and 44064 transitions. [2023-11-29 00:01:35,943 INFO L78 Accepts]: Start accepts. Automaton has 27454 states and 44064 transitions. Word has length 25 [2023-11-29 00:01:35,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:35,943 INFO L495 AbstractCegarLoop]: Abstraction has 27454 states and 44064 transitions. [2023-11-29 00:01:35,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:01:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 27454 states and 44064 transitions. [2023-11-29 00:01:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 00:01:35,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:35,946 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] [2023-11-29 00:01:35,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:01:35,946 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:35,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash 705315829, now seen corresponding path program 1 times [2023-11-29 00:01:35,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:35,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837912847] [2023-11-29 00:01:35,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:35,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 00:01:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:36,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:36,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837912847] [2023-11-29 00:01:36,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837912847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:36,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:36,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:36,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667668428] [2023-11-29 00:01:36,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:36,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:36,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:36,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:36,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:36,179 INFO L87 Difference]: Start difference. First operand 27454 states and 44064 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:01:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:39,294 INFO L93 Difference]: Finished difference Result 86680 states and 140542 transitions. [2023-11-29 00:01:39,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:39,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-29 00:01:39,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:39,494 INFO L225 Difference]: With dead ends: 86680 [2023-11-29 00:01:39,494 INFO L226 Difference]: Without dead ends: 59227 [2023-11-29 00:01:39,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:39,569 INFO L413 NwaCegarLoop]: 1469 mSDtfsCounter, 1526 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 3731 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:39,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 3731 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:01:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59227 states. [2023-11-29 00:01:41,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59227 to 54734. [2023-11-29 00:01:41,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54734 states, 40903 states have (on average 1.5547514852211328) internal successors, (63594), 40908 states have internal predecessors, (63594), 12102 states have call successors, (12102), 1729 states have call predecessors, (12102), 1728 states have return successors, (12096), 12096 states have call predecessors, (12096), 12096 states have call successors, (12096) [2023-11-29 00:01:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54734 states to 54734 states and 87792 transitions. [2023-11-29 00:01:42,075 INFO L78 Accepts]: Start accepts. Automaton has 54734 states and 87792 transitions. Word has length 26 [2023-11-29 00:01:42,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:42,076 INFO L495 AbstractCegarLoop]: Abstraction has 54734 states and 87792 transitions. [2023-11-29 00:01:42,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 00:01:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 54734 states and 87792 transitions. [2023-11-29 00:01:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 00:01:42,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:42,077 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] [2023-11-29 00:01:42,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:01:42,078 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:42,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1025299636, now seen corresponding path program 1 times [2023-11-29 00:01:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:42,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547666235] [2023-11-29 00:01:42,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:01:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:42,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:42,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547666235] [2023-11-29 00:01:42,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547666235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:42,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:42,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:42,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51048822] [2023-11-29 00:01:42,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:42,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:42,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:42,309 INFO L87 Difference]: Start difference. First operand 54734 states and 87792 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-29 00:01:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:47,223 INFO L93 Difference]: Finished difference Result 172840 states and 280078 transitions. [2023-11-29 00:01:47,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:01:47,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 29 [2023-11-29 00:01:47,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:47,598 INFO L225 Difference]: With dead ends: 172840 [2023-11-29 00:01:47,598 INFO L226 Difference]: Without dead ends: 118107 [2023-11-29 00:01:47,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:01:47,712 INFO L413 NwaCegarLoop]: 1478 mSDtfsCounter, 1525 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 3746 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:47,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 3746 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:01:47,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118107 states. [2023-11-29 00:01:52,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118107 to 109134. [2023-11-29 00:01:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109134 states, 81543 states have (on average 1.553364482542953) internal successors, (126666), 81548 states have internal predecessors, (126666), 24134 states have call successors, (24134), 3457 states have call predecessors, (24134), 3456 states have return successors, (24128), 24128 states have call predecessors, (24128), 24128 states have call successors, (24128) [2023-11-29 00:01:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109134 states to 109134 states and 174928 transitions. [2023-11-29 00:01:52,533 INFO L78 Accepts]: Start accepts. Automaton has 109134 states and 174928 transitions. Word has length 29 [2023-11-29 00:01:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:52,534 INFO L495 AbstractCegarLoop]: Abstraction has 109134 states and 174928 transitions. [2023-11-29 00:01:52,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-29 00:01:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 109134 states and 174928 transitions. [2023-11-29 00:01:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 00:01:52,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:52,535 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, 1, 1, 1] [2023-11-29 00:01:52,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:01:52,535 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:52,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:52,536 INFO L85 PathProgramCache]: Analyzing trace with hash 914002750, now seen corresponding path program 1 times [2023-11-29 00:01:52,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:01:52,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539698358] [2023-11-29 00:01:52,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:52,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:01:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 00:01:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:01:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:01:52,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:01:52,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539698358] [2023-11-29 00:01:52,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539698358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:52,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:52,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:01:52,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015160560] [2023-11-29 00:01:52,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:52,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:01:52,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:01:52,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:01:52,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:01:52,759 INFO L87 Difference]: Start difference. First operand 109134 states and 174928 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-29 00:02:01,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:02:01,104 INFO L93 Difference]: Finished difference Result 344168 states and 557166 transitions. [2023-11-29 00:02:01,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:02:01,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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 36 [2023-11-29 00:02:01,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:02:02,112 INFO L225 Difference]: With dead ends: 344168 [2023-11-29 00:02:02,112 INFO L226 Difference]: Without dead ends: 235035 [2023-11-29 00:02:02,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:02:02,345 INFO L413 NwaCegarLoop]: 1487 mSDtfsCounter, 1512 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 3760 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:02:02,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 3760 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:02:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235035 states. [2023-11-29 00:02:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235035 to 217102. [2023-11-29 00:02:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217102 states, 162183 states have (on average 1.5516916076284197) internal successors, (251658), 162188 states have internal predecessors, (251658), 48006 states have call successors, (48006), 6913 states have call predecessors, (48006), 6912 states have return successors, (48000), 48000 states have call predecessors, (48000), 48000 states have call successors, (48000) [2023-11-29 00:02:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217102 states to 217102 states and 347664 transitions. [2023-11-29 00:02:12,040 INFO L78 Accepts]: Start accepts. Automaton has 217102 states and 347664 transitions. Word has length 36 [2023-11-29 00:02:12,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:02:12,040 INFO L495 AbstractCegarLoop]: Abstraction has 217102 states and 347664 transitions. [2023-11-29 00:02:12,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-29 00:02:12,041 INFO L276 IsEmpty]: Start isEmpty. Operand 217102 states and 347664 transitions. [2023-11-29 00:02:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-29 00:02:12,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:02:12,042 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] [2023-11-29 00:02:12,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:02:12,043 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:02:12,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:02:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash -138544973, now seen corresponding path program 1 times [2023-11-29 00:02:12,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:02:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133696505] [2023-11-29 00:02:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:02:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:02:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 00:02:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:02:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:02:12,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:02:12,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133696505] [2023-11-29 00:02:12,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133696505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:02:12,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:02:12,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:02:12,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775335717] [2023-11-29 00:02:12,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:02:12,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:02:12,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:02:12,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:02:12,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:02:12,252 INFO L87 Difference]: Start difference. First operand 217102 states and 347664 transitions. Second operand has 4 states, 4 states have (on average 6.25) 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) [2023-11-29 00:02:28,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:02:28,379 INFO L93 Difference]: Finished difference Result 685864 states and 1109550 transitions. [2023-11-29 00:02:28,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:02:28,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) 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 [2023-11-29 00:02:28,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:02:30,236 INFO L225 Difference]: With dead ends: 685864 [2023-11-29 00:02:30,236 INFO L226 Difference]: Without dead ends: 468763 [2023-11-29 00:02:30,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:02:30,794 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 1521 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:02:30,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 3794 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 00:02:31,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468763 states. [2023-11-29 00:02:48,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468763 to 432910. [2023-11-29 00:02:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432910 states, 323335 states have (on average 1.550274483121221) internal successors, (501258), 323340 states have internal predecessors, (501258), 95750 states have call successors, (95750), 13825 states have call predecessors, (95750), 13824 states have return successors, (95744), 95744 states have call predecessors, (95744), 95744 states have call successors, (95744) [2023-11-29 00:02:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432910 states to 432910 states and 692752 transitions. [2023-11-29 00:02:50,286 INFO L78 Accepts]: Start accepts. Automaton has 432910 states and 692752 transitions. Word has length 33 [2023-11-29 00:02:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:02:50,286 INFO L495 AbstractCegarLoop]: Abstraction has 432910 states and 692752 transitions. [2023-11-29 00:02:50,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) 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) [2023-11-29 00:02:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 432910 states and 692752 transitions. [2023-11-29 00:02:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 00:02:50,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:02:50,288 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, 1, 1] [2023-11-29 00:02:50,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:02:50,288 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:02:50,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:02:50,288 INFO L85 PathProgramCache]: Analyzing trace with hash 998434560, now seen corresponding path program 1 times [2023-11-29 00:02:50,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:02:50,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163713410] [2023-11-29 00:02:50,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:02:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:02:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 00:02:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 00:02:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:02:50,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:02:50,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163713410] [2023-11-29 00:02:50,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163713410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:02:50,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:02:50,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:02:50,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269856206] [2023-11-29 00:02:50,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:02:50,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:02:50,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:02:50,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:02:50,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:02:50,487 INFO L87 Difference]: Start difference. First operand 432910 states and 692752 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-29 00:03:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:03:21,417 INFO L93 Difference]: Finished difference Result 1365800 states and 2207278 transitions. [2023-11-29 00:03:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:03:21,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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 35 [2023-11-29 00:03:21,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:03:25,576 INFO L225 Difference]: With dead ends: 1365800 [2023-11-29 00:03:25,577 INFO L226 Difference]: Without dead ends: 932891 [2023-11-29 00:03:26,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:03:26,802 INFO L413 NwaCegarLoop]: 1513 mSDtfsCounter, 1513 mSDsluCounter, 2295 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:03:26,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 3808 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 00:03:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932891 states.