./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:36:20,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:36:20,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:36:20,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:36:20,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:36:20,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:36:20,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:36:20,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:36:20,496 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:36:20,497 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:36:20,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:36:20,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:36:20,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:36:20,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:36:20,501 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:36:20,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:36:20,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:36:20,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:36:20,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:36:20,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:36:20,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:36:20,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:36:20,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:36:20,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:36:20,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:36:20,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:36:20,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:36:20,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:36:20,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:36:20,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:36:20,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:36:20,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:36:20,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:36:20,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:36:20,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:36:20,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:36:20,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:36:20,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:36:20,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:36:20,512 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 [2024-10-24 13:36:20,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:36:20,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:36:20,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:36:20,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:36:20,811 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:36:20,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2024-10-24 13:36:22,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:36:22,685 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:36:22,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2024-10-24 13:36:22,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22cbd8861/5ee5c04769c04d72990c07710773d09a/FLAG3b70babe1 [2024-10-24 13:36:22,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22cbd8861/5ee5c04769c04d72990c07710773d09a [2024-10-24 13:36:22,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:36:22,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:36:22,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:36:22,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:36:22,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:36:22,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:36:22" (1/1) ... [2024-10-24 13:36:22,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b868e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:22, skipping insertion in model container [2024-10-24 13:36:22,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:36:22" (1/1) ... [2024-10-24 13:36:22,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:36:23,849 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2024-10-24 13:36:23,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:36:24,013 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:36:24,200 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2024-10-24 13:36:24,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:36:24,519 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:36:24,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24 WrapperNode [2024-10-24 13:36:24,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:36:24,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:36:24,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:36:24,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:36:24,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:24,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:24,764 INFO L138 Inliner]: procedures = 115, calls = 2153, calls flagged for inlining = 45, calls inlined = 37, statements flattened = 5577 [2024-10-24 13:36:24,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:36:24,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:36:24,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:36:24,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:36:24,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:24,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:24,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:24,954 INFO L175 MemorySlicer]: Split 1713 memory accesses to 24 slices as follows [2, 1, 1, 1, 3, 1, 1, 8, 30, 1, 7, 2, 7, 3, 7, 5, 3, 1186, 1, 12, 1, 42, 81, 307]. 69 percent of accesses are in the largest equivalence class. The 1640 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 30, 0, 6, 0, 6, 0, 6, 4, 2, 1186, 0, 12, 0, 0, 79, 307]. The 19 writes are split as follows [0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 15, 0, 0]. [2024-10-24 13:36:24,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:24,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:25,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:25,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:25,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:25,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:25,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:36:25,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:36:25,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:36:25,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:36:25,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (1/1) ... [2024-10-24 13:36:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:36:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:36:25,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:36:25,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:36:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2024-10-24 13:36:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2024-10-24 13:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:36:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:36:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:36:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 13:36:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-10-24 13:36:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-10-24 13:36:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-10-24 13:36:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-10-24 13:36:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2024-10-24 13:36:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2024-10-24 13:36:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2024-10-24 13:36:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2024-10-24 13:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2024-10-24 13:36:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2024-10-24 13:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2024-10-24 13:36:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2024-10-24 13:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:36:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:36:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2024-10-24 13:36:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2024-10-24 13:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2024-10-24 13:36:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2024-10-24 13:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2024-10-24 13:36:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2024-10-24 13:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:36:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:36:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-24 13:36:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-24 13:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 13:36:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 13:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:36:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:36:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:36:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:36:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-24 13:36:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-24 13:36:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:36:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:36:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:36:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:36:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:36:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:36:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:36:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:36:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:36:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:36:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 13:36:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 13:36:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 13:36:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2024-10-24 13:36:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-10-24 13:36:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:36:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:36:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:36:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:36:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:36:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 13:36:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 13:36:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:36:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:36:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:36:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:36:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:36:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:36:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:36:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:36:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:36:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2024-10-24 13:36:25,351 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:36:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:36:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-24 13:36:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-24 13:36:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-24 13:36:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-10-24 13:36:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-10-24 13:36:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:36:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:36:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-10-24 13:36:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-10-24 13:36:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-24 13:36:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-24 13:36:26,122 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:36:26,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:36:32,360 INFO L? ?]: Removed 881 outVars from TransFormulas that were not future-live. [2024-10-24 13:36:32,360 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:36:33,044 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:36:33,044 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 13:36:33,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:36:33 BoogieIcfgContainer [2024-10-24 13:36:33,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:36:33,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:36:33,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:36:33,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:36:33,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:36:22" (1/3) ... [2024-10-24 13:36:33,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d80ed72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:36:33, skipping insertion in model container [2024-10-24 13:36:33,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:36:24" (2/3) ... [2024-10-24 13:36:33,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d80ed72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:36:33, skipping insertion in model container [2024-10-24 13:36:33,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:36:33" (3/3) ... [2024-10-24 13:36:33,054 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2024-10-24 13:36:33,069 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:36:33,070 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:36:33,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:36:33,205 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@520d72df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:36:33,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:36:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 994 states, 789 states have (on average 1.7008871989860583) internal successors, (1342), 796 states have internal predecessors, (1342), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2024-10-24 13:36:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 13:36:33,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:33,234 INFO L215 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] [2024-10-24 13:36:33,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:33,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:33,243 INFO L85 PathProgramCache]: Analyzing trace with hash -350714935, now seen corresponding path program 1 times [2024-10-24 13:36:33,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:33,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843774718] [2024-10-24 13:36:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:33,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:36:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:34,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:34,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:34,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843774718] [2024-10-24 13:36:34,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843774718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:34,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:34,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:34,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673538124] [2024-10-24 13:36:34,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:34,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:34,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:34,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:34,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:34,504 INFO L87 Difference]: Start difference. First operand has 994 states, 789 states have (on average 1.7008871989860583) internal successors, (1342), 796 states have internal predecessors, (1342), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) 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) [2024-10-24 13:36:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:36:36,253 INFO L93 Difference]: Finished difference Result 3081 states and 5693 transitions. [2024-10-24 13:36:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:36:36,257 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 [2024-10-24 13:36:36,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:36:36,304 INFO L225 Difference]: With dead ends: 3081 [2024-10-24 13:36:36,305 INFO L226 Difference]: Without dead ends: 2084 [2024-10-24 13:36:36,323 INFO L431 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 [2024-10-24 13:36:36,329 INFO L432 NwaCegarLoop]: 1637 mSDtfsCounter, 1838 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 4515 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:36:36,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 4515 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 13:36:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2024-10-24 13:36:36,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1963. [2024-10-24 13:36:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1963 states, 1565 states have (on average 1.6984025559105431) internal successors, (2658), 1570 states have internal predecessors, (2658), 357 states have call successors, (357), 41 states have call predecessors, (357), 40 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-10-24 13:36:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 3366 transitions. [2024-10-24 13:36:36,557 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 3366 transitions. Word has length 30 [2024-10-24 13:36:36,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:36:36,558 INFO L471 AbstractCegarLoop]: Abstraction has 1963 states and 3366 transitions. [2024-10-24 13:36:36,558 INFO L472 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) [2024-10-24 13:36:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 3366 transitions. [2024-10-24 13:36:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-24 13:36:36,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:36,562 INFO L215 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] [2024-10-24 13:36:36,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:36:36,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:36,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:36,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1253628314, now seen corresponding path program 1 times [2024-10-24 13:36:36,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503997537] [2024-10-24 13:36:36,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:36,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:37,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 13:36:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:37,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:37,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503997537] [2024-10-24 13:36:37,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503997537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:37,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:37,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:37,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810673732] [2024-10-24 13:36:37,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:37,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:37,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:37,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:37,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:37,223 INFO L87 Difference]: Start difference. First operand 1963 states and 3366 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) [2024-10-24 13:36:38,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:36:38,868 INFO L93 Difference]: Finished difference Result 6093 states and 10698 transitions. [2024-10-24 13:36:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:36:38,870 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 [2024-10-24 13:36:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:36:38,905 INFO L225 Difference]: With dead ends: 6093 [2024-10-24 13:36:38,906 INFO L226 Difference]: Without dead ends: 4131 [2024-10-24 13:36:38,918 INFO L431 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 [2024-10-24 13:36:38,919 INFO L432 NwaCegarLoop]: 1620 mSDtfsCounter, 1823 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 4489 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:36:38,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 4489 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 13:36:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2024-10-24 13:36:39,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3902. [2024-10-24 13:36:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3902 states, 3115 states have (on average 1.6982343499197432) internal successors, (5290), 3120 states have internal predecessors, (5290), 706 states have call successors, (706), 81 states have call predecessors, (706), 80 states have return successors, (700), 700 states have call predecessors, (700), 700 states have call successors, (700) [2024-10-24 13:36:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3902 states to 3902 states and 6696 transitions. [2024-10-24 13:36:39,161 INFO L78 Accepts]: Start accepts. Automaton has 3902 states and 6696 transitions. Word has length 29 [2024-10-24 13:36:39,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:36:39,165 INFO L471 AbstractCegarLoop]: Abstraction has 3902 states and 6696 transitions. [2024-10-24 13:36:39,166 INFO L472 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) [2024-10-24 13:36:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3902 states and 6696 transitions. [2024-10-24 13:36:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-24 13:36:39,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:39,168 INFO L215 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] [2024-10-24 13:36:39,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:36:39,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:39,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:39,172 INFO L85 PathProgramCache]: Analyzing trace with hash 675608933, now seen corresponding path program 1 times [2024-10-24 13:36:39,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:39,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581599919] [2024-10-24 13:36:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:39,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:39,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 13:36:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:39,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:39,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581599919] [2024-10-24 13:36:39,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581599919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:39,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:39,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:39,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387112549] [2024-10-24 13:36:39,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:39,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:39,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:39,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:39,794 INFO L87 Difference]: Start difference. First operand 3902 states and 6696 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) [2024-10-24 13:36:41,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:36:41,403 INFO L93 Difference]: Finished difference Result 12116 states and 21286 transitions. [2024-10-24 13:36:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:36:41,404 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 [2024-10-24 13:36:41,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:36:41,461 INFO L225 Difference]: With dead ends: 12116 [2024-10-24 13:36:41,461 INFO L226 Difference]: Without dead ends: 8215 [2024-10-24 13:36:41,484 INFO L431 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 [2024-10-24 13:36:41,486 INFO L432 NwaCegarLoop]: 1655 mSDtfsCounter, 1833 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:36:41,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 4561 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 13:36:41,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8215 states. [2024-10-24 13:36:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8215 to 7770. [2024-10-24 13:36:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7770 states, 6207 states have (on average 1.6977605928790076) internal successors, (10538), 6212 states have internal predecessors, (10538), 1402 states have call successors, (1402), 161 states have call predecessors, (1402), 160 states have return successors, (1396), 1396 states have call predecessors, (1396), 1396 states have call successors, (1396) [2024-10-24 13:36:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7770 states to 7770 states and 13336 transitions. [2024-10-24 13:36:41,878 INFO L78 Accepts]: Start accepts. Automaton has 7770 states and 13336 transitions. Word has length 33 [2024-10-24 13:36:41,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:36:41,879 INFO L471 AbstractCegarLoop]: Abstraction has 7770 states and 13336 transitions. [2024-10-24 13:36:41,879 INFO L472 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) [2024-10-24 13:36:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 7770 states and 13336 transitions. [2024-10-24 13:36:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-24 13:36:41,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:41,882 INFO L215 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] [2024-10-24 13:36:41,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:36:41,883 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:41,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1538219457, now seen corresponding path program 1 times [2024-10-24 13:36:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:41,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668936980] [2024-10-24 13:36:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 13:36:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 13:36:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:42,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:42,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668936980] [2024-10-24 13:36:42,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668936980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:42,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:42,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:42,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863887232] [2024-10-24 13:36:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:42,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:42,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:42,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:42,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:42,393 INFO L87 Difference]: Start difference. First operand 7770 states and 13336 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), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:36:44,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:36:44,242 INFO L93 Difference]: Finished difference Result 24100 states and 42342 transitions. [2024-10-24 13:36:44,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:36:44,243 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), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-10-24 13:36:44,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:36:44,366 INFO L225 Difference]: With dead ends: 24100 [2024-10-24 13:36:44,366 INFO L226 Difference]: Without dead ends: 16331 [2024-10-24 13:36:44,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:36:44,415 INFO L432 NwaCegarLoop]: 1614 mSDtfsCounter, 1838 mSDsluCounter, 2807 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:36:44,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 4421 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 13:36:44,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16331 states. [2024-10-24 13:36:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16331 to 15454. [2024-10-24 13:36:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15454 states, 12351 states have (on average 1.6971905108898064) internal successors, (20962), 12356 states have internal predecessors, (20962), 2782 states have call successors, (2782), 321 states have call predecessors, (2782), 320 states have return successors, (2776), 2776 states have call predecessors, (2776), 2776 states have call successors, (2776) [2024-10-24 13:36:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15454 states to 15454 states and 26520 transitions. [2024-10-24 13:36:45,384 INFO L78 Accepts]: Start accepts. Automaton has 15454 states and 26520 transitions. Word has length 32 [2024-10-24 13:36:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:36:45,385 INFO L471 AbstractCegarLoop]: Abstraction has 15454 states and 26520 transitions. [2024-10-24 13:36:45,386 INFO L472 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), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:36:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 15454 states and 26520 transitions. [2024-10-24 13:36:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-24 13:36:45,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:45,388 INFO L215 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, 1, 1] [2024-10-24 13:36:45,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:36:45,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:45,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:45,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1225058841, now seen corresponding path program 1 times [2024-10-24 13:36:45,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034052622] [2024-10-24 13:36:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:45,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 13:36:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:45,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:45,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 13:36:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:45,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:45,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034052622] [2024-10-24 13:36:45,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034052622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:45,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:45,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:45,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804485117] [2024-10-24 13:36:45,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:45,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:45,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:45,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:45,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:45,808 INFO L87 Difference]: Start difference. First operand 15454 states and 26520 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:36:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:36:48,345 INFO L93 Difference]: Finished difference Result 47944 states and 84214 transitions. [2024-10-24 13:36:48,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:36:48,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-10-24 13:36:48,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:36:48,552 INFO L225 Difference]: With dead ends: 47944 [2024-10-24 13:36:48,552 INFO L226 Difference]: Without dead ends: 32491 [2024-10-24 13:36:48,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:36:48,632 INFO L432 NwaCegarLoop]: 1682 mSDtfsCounter, 1828 mSDsluCounter, 2924 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:36:48,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 4606 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 13:36:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32491 states. [2024-10-24 13:36:50,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32491 to 30750. [2024-10-24 13:36:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30750 states, 24583 states have (on average 1.6965382581458732) internal successors, (41706), 24588 states have internal predecessors, (41706), 5526 states have call successors, (5526), 641 states have call predecessors, (5526), 640 states have return successors, (5520), 5520 states have call predecessors, (5520), 5520 states have call successors, (5520) [2024-10-24 13:36:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30750 states to 30750 states and 52752 transitions. [2024-10-24 13:36:50,615 INFO L78 Accepts]: Start accepts. Automaton has 30750 states and 52752 transitions. Word has length 38 [2024-10-24 13:36:50,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:36:50,615 INFO L471 AbstractCegarLoop]: Abstraction has 30750 states and 52752 transitions. [2024-10-24 13:36:50,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:36:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30750 states and 52752 transitions. [2024-10-24 13:36:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-24 13:36:50,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:50,619 INFO L215 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] [2024-10-24 13:36:50,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:36:50,620 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:50,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1005790827, now seen corresponding path program 1 times [2024-10-24 13:36:50,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:50,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548344542] [2024-10-24 13:36:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:50,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:51,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:36:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 13:36:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:51,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:51,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548344542] [2024-10-24 13:36:51,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548344542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:51,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:51,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:51,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535422759] [2024-10-24 13:36:51,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:51,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:51,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:51,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:51,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:51,032 INFO L87 Difference]: Start difference. First operand 30750 states and 52752 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:36:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:36:54,344 INFO L93 Difference]: Finished difference Result 95416 states and 167534 transitions. [2024-10-24 13:36:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:36:54,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-10-24 13:36:54,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:36:54,755 INFO L225 Difference]: With dead ends: 95416 [2024-10-24 13:36:54,755 INFO L226 Difference]: Without dead ends: 64667 [2024-10-24 13:36:54,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:36:54,873 INFO L432 NwaCegarLoop]: 1692 mSDtfsCounter, 1833 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:36:54,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 4552 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 13:36:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64667 states. [2024-10-24 13:36:58,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64667 to 61198. [2024-10-24 13:36:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61198 states, 48935 states have (on average 1.695841422294881) internal successors, (82986), 48940 states have internal predecessors, (82986), 10982 states have call successors, (10982), 1281 states have call predecessors, (10982), 1280 states have return successors, (10976), 10976 states have call predecessors, (10976), 10976 states have call successors, (10976) [2024-10-24 13:36:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61198 states to 61198 states and 104944 transitions. [2024-10-24 13:36:58,613 INFO L78 Accepts]: Start accepts. Automaton has 61198 states and 104944 transitions. Word has length 35 [2024-10-24 13:36:58,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:36:58,614 INFO L471 AbstractCegarLoop]: Abstraction has 61198 states and 104944 transitions. [2024-10-24 13:36:58,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:36:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 61198 states and 104944 transitions. [2024-10-24 13:36:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-24 13:36:58,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:36:58,616 INFO L215 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, 1, 1, 1] [2024-10-24 13:36:58,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:36:58,616 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:36:58,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:36:58,617 INFO L85 PathProgramCache]: Analyzing trace with hash 307283692, now seen corresponding path program 1 times [2024-10-24 13:36:58,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:36:58,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234769542] [2024-10-24 13:36:58,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:36:58,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:36:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:59,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:36:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:59,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:36:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:36:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:36:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:36:59,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:36:59,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234769542] [2024-10-24 13:36:59,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234769542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:36:59,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:36:59,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:36:59,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26157144] [2024-10-24 13:36:59,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:36:59,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:36:59,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:36:59,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:36:59,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:36:59,258 INFO L87 Difference]: Start difference. First operand 61198 states and 104944 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:37:03,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:03,758 INFO L93 Difference]: Finished difference Result 189928 states and 333326 transitions. [2024-10-24 13:37:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:37:03,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-10-24 13:37:03,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:04,625 INFO L225 Difference]: With dead ends: 189928 [2024-10-24 13:37:04,625 INFO L226 Difference]: Without dead ends: 128731 [2024-10-24 13:37:04,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:37:04,899 INFO L432 NwaCegarLoop]: 1646 mSDtfsCounter, 1836 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:04,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 4482 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 13:37:05,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128731 states. [2024-10-24 13:37:10,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128731 to 121806. [2024-10-24 13:37:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121806 states, 97415 states have (on average 1.6951188215367243) internal successors, (165130), 97420 states have internal predecessors, (165130), 21830 states have call successors, (21830), 2561 states have call predecessors, (21830), 2560 states have return successors, (21824), 21824 states have call predecessors, (21824), 21824 states have call successors, (21824) [2024-10-24 13:37:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121806 states to 121806 states and 208784 transitions. [2024-10-24 13:37:11,470 INFO L78 Accepts]: Start accepts. Automaton has 121806 states and 208784 transitions. Word has length 39 [2024-10-24 13:37:11,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:37:11,470 INFO L471 AbstractCegarLoop]: Abstraction has 121806 states and 208784 transitions. [2024-10-24 13:37:11,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:37:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 121806 states and 208784 transitions. [2024-10-24 13:37:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-24 13:37:11,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:37:11,472 INFO L215 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, 1, 1, 1, 1, 1] [2024-10-24 13:37:11,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:37:11,473 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:37:11,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:37:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2033465978, now seen corresponding path program 1 times [2024-10-24 13:37:11,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:37:11,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580993103] [2024-10-24 13:37:11,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:37:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:37:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:11,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:37:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:37:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:37:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:37:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:37:11,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:37:11,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580993103] [2024-10-24 13:37:11,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580993103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:37:11,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:37:11,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 13:37:11,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55820239] [2024-10-24 13:37:11,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:37:11,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 13:37:11,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:37:11,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 13:37:11,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 13:37:11,854 INFO L87 Difference]: Start difference. First operand 121806 states and 208784 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 13:37:20,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:37:20,463 INFO L93 Difference]: Finished difference Result 378088 states and 663214 transitions. [2024-10-24 13:37:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 13:37:20,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-10-24 13:37:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:37:21,860 INFO L225 Difference]: With dead ends: 378088 [2024-10-24 13:37:21,860 INFO L226 Difference]: Without dead ends: 256283 [2024-10-24 13:37:22,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:37:22,252 INFO L432 NwaCegarLoop]: 1692 mSDtfsCounter, 1817 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 4642 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:37:22,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 4642 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 13:37:22,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256283 states.