./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-84cfde4 [2024-10-11 15:17:43,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:17:43,266 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:17:43,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:17:43,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:17:43,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:17:43,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:17:43,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:17:43,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:17:43,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:17:43,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:17:43,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:17:43,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:17:43,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:17:43,289 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:17:43,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:17:43,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:17:43,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:17:43,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:17:43,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:17:43,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:17:43,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:17:43,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:17:43,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:17:43,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:17:43,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:17:43,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:17:43,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:17:43,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:17:43,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:17:43,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:17:43,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:17:43,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:17:43,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:17:43,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:17:43,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:17:43,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:17:43,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:17:43,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:17:43,300 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad6d1ed8310d8e3264189ac87472d58c77647a0c63d75779b5974e889987542 [2024-10-11 15:17:43,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:17:43,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:17:43,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:17:43,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:17:43,563 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:17:43,564 INFO L431 ainManager$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 [2024-10-11 15:17:44,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:17:45,104 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:17:45,105 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 [2024-10-11 15:17:45,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/96b63b072/29c47448259d4c9881e624f60d128c54/FLAGe718eb25a [2024-10-11 15:17:45,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/96b63b072/29c47448259d4c9881e624f60d128c54 [2024-10-11 15:17:45,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:17:45,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:17:45,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:17:45,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:17:45,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:17:45,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:17:45" (1/1) ... [2024-10-11 15:17:45,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d5a770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:45, skipping insertion in model container [2024-10-11 15:17:45,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:17:45" (1/1) ... [2024-10-11 15:17:45,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:17:46,151 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] [2024-10-11 15:17:46,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:17:46,309 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:17:46,473 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] [2024-10-11 15:17:46,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:17:46,651 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:17:46,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46 WrapperNode [2024-10-11 15:17:46,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:17:46,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:17:46,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:17:46,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:17:46,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:46,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:46,874 INFO L138 Inliner]: procedures = 115, calls = 2153, calls flagged for inlining = 45, calls inlined = 37, statements flattened = 5577 [2024-10-11 15:17:46,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:17:46,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:17:46,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:17:46,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:17:46,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:46,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:46,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,028 INFO L175 MemorySlicer]: Split 1713 memory accesses to 24 slices as follows [3, 2, 1, 1, 1, 1, 1, 30, 3, 1, 12, 8, 81, 7, 1, 7, 7, 5, 3, 1, 1186, 2, 42, 307]. 69 percent of accesses are in the largest equivalence class. The 1640 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 30, 0, 0, 12, 0, 79, 6, 0, 6, 6, 4, 2, 0, 1186, 0, 0, 307]. The 19 writes are split as follows [0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 15, 0]. [2024-10-11 15:17:47,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:17:47,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:17:47,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:17:47,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:17:47,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (1/1) ... [2024-10-11 15:17:47,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:17:47,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:17:47,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:17:47,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:17:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2024-10-11 15:17:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:17:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:17:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-10-11 15:17:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-10-11 15:17:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-10-11 15:17:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-10-11 15:17:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2024-10-11 15:17:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2024-10-11 15:17:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2024-10-11 15:17:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2024-10-11 15:17:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2024-10-11 15:17:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2024-10-11 15:17:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2024-10-11 15:17:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2024-10-11 15:17:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:17:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2024-10-11 15:17:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2024-10-11 15:17:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2024-10-11 15:17:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:17:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:17:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:17:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:17:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:17:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:17:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-11 15:17:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:17:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:17:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-11 15:17:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:17:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 15:17:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2024-10-11 15:17:47,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-10-11 15:17:47,317 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:17:47,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:17:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:17:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:17:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:17:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:17:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 15:17:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:17:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:17:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:17:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:17:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:17:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:17:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:17:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:17:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:17:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:17:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:17:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:17:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:17:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:17:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:17:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:17:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 15:17:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-11 15:17:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-11 15:17:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-11 15:17:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2024-10-11 15:17:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:17:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:17:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-10-11 15:17:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:17:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:17:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-10-11 15:17:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-10-11 15:17:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-11 15:17:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-11 15:17:47,880 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:17:47,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:17:53,247 INFO L? ?]: Removed 881 outVars from TransFormulas that were not future-live. [2024-10-11 15:17:53,247 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:17:53,789 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:17:53,789 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-11 15:17:53,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:17:53 BoogieIcfgContainer [2024-10-11 15:17:53,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:17:53,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:17:53,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:17:53,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:17:53,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:17:45" (1/3) ... [2024-10-11 15:17:53,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd4625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:17:53, skipping insertion in model container [2024-10-11 15:17:53,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:17:46" (2/3) ... [2024-10-11 15:17:53,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd4625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:17:53, skipping insertion in model container [2024-10-11 15:17:53,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:17:53" (3/3) ... [2024-10-11 15:17:53,797 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2024-10-11 15:17:53,811 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:17:53,811 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:17:53,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:17:53,911 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;@3cfcbfc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:17:53,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:17:53,922 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) [2024-10-11 15:17:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 15:17:53,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:53,938 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] [2024-10-11 15:17:53,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:53,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash -350714935, now seen corresponding path program 1 times [2024-10-11 15:17:53,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:53,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349141486] [2024-10-11 15:17:53,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:53,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:17:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:54,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:17:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:54,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:54,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349141486] [2024-10-11 15:17:54,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349141486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:54,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:54,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:17:54,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580402960] [2024-10-11 15:17:54,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:54,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:17:54,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:17:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:17:54,778 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) [2024-10-11 15:17:56,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:56,151 INFO L93 Difference]: Finished difference Result 3081 states and 5693 transitions. [2024-10-11 15:17:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:17:56,154 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 [2024-10-11 15:17:56,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:56,181 INFO L225 Difference]: With dead ends: 3081 [2024-10-11 15:17:56,181 INFO L226 Difference]: Without dead ends: 2084 [2024-10-11 15:17:56,195 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 [2024-10-11 15:17:56,198 INFO L432 NwaCegarLoop]: 1559 mSDtfsCounter, 1850 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 4338 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:56,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1982 Valid, 4338 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 15:17:56,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2024-10-11 15:17:56,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1963. [2024-10-11 15:17:56,438 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) [2024-10-11 15:17:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 3366 transitions. [2024-10-11 15:17:56,452 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 3366 transitions. Word has length 30 [2024-10-11 15:17:56,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:56,452 INFO L471 AbstractCegarLoop]: Abstraction has 1963 states and 3366 transitions. [2024-10-11 15:17:56,453 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) [2024-10-11 15:17:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 3366 transitions. [2024-10-11 15:17:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 15:17:56,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:56,455 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] [2024-10-11 15:17:56,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:17:56,456 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:56,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:56,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1253628314, now seen corresponding path program 1 times [2024-10-11 15:17:56,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:56,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389528896] [2024-10-11 15:17:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:56,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 15:17:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:56,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:17:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:56,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:56,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389528896] [2024-10-11 15:17:56,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389528896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:56,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:56,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:17:56,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354983644] [2024-10-11 15:17:56,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:56,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:17:56,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:56,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:17:56,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:17:56,938 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) [2024-10-11 15:17:58,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:17:58,230 INFO L93 Difference]: Finished difference Result 6093 states and 10698 transitions. [2024-10-11 15:17:58,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:17:58,230 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 [2024-10-11 15:17:58,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:17:58,254 INFO L225 Difference]: With dead ends: 6093 [2024-10-11 15:17:58,254 INFO L226 Difference]: Without dead ends: 4131 [2024-10-11 15:17:58,260 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 [2024-10-11 15:17:58,260 INFO L432 NwaCegarLoop]: 1615 mSDtfsCounter, 1825 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:17:58,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 4389 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 15:17:58,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2024-10-11 15:17:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3902. [2024-10-11 15:17:58,381 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) [2024-10-11 15:17:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3902 states to 3902 states and 6696 transitions. [2024-10-11 15:17:58,404 INFO L78 Accepts]: Start accepts. Automaton has 3902 states and 6696 transitions. Word has length 29 [2024-10-11 15:17:58,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:17:58,405 INFO L471 AbstractCegarLoop]: Abstraction has 3902 states and 6696 transitions. [2024-10-11 15:17:58,405 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) [2024-10-11 15:17:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3902 states and 6696 transitions. [2024-10-11 15:17:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 15:17:58,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:17:58,409 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] [2024-10-11 15:17:58,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:17:58,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:17:58,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:17:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash 675608933, now seen corresponding path program 1 times [2024-10-11 15:17:58,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:17:58,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665056444] [2024-10-11 15:17:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:17:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:17:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:58,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:17:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:17:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:17:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:17:58,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:17:58,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665056444] [2024-10-11 15:17:58,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665056444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:17:58,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:17:58,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:17:58,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107595216] [2024-10-11 15:17:58,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:17:58,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:17:58,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:17:58,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:17:58,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:17:58,757 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) [2024-10-11 15:18:00,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:00,099 INFO L93 Difference]: Finished difference Result 12116 states and 21286 transitions. [2024-10-11 15:18:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:18:00,100 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 [2024-10-11 15:18:00,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:00,140 INFO L225 Difference]: With dead ends: 12116 [2024-10-11 15:18:00,141 INFO L226 Difference]: Without dead ends: 8215 [2024-10-11 15:18:00,153 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 [2024-10-11 15:18:00,154 INFO L432 NwaCegarLoop]: 1655 mSDtfsCounter, 1833 mSDsluCounter, 2906 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:00,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 4561 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 15:18:00,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8215 states. [2024-10-11 15:18:00,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8215 to 7770. [2024-10-11 15:18:00,392 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) [2024-10-11 15:18:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7770 states to 7770 states and 13336 transitions. [2024-10-11 15:18:00,420 INFO L78 Accepts]: Start accepts. Automaton has 7770 states and 13336 transitions. Word has length 33 [2024-10-11 15:18:00,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:00,420 INFO L471 AbstractCegarLoop]: Abstraction has 7770 states and 13336 transitions. [2024-10-11 15:18:00,420 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) [2024-10-11 15:18:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7770 states and 13336 transitions. [2024-10-11 15:18:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-11 15:18:00,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:00,423 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] [2024-10-11 15:18:00,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:18:00,424 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:00,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1538219457, now seen corresponding path program 1 times [2024-10-11 15:18:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:00,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857603981] [2024-10-11 15:18:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:00,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:00,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 15:18:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:00,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:18:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 15:18:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:00,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:00,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857603981] [2024-10-11 15:18:00,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857603981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:00,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:00,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:00,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90761389] [2024-10-11 15:18:00,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:00,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:00,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:00,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:00,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:00,770 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) [2024-10-11 15:18:02,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:02,266 INFO L93 Difference]: Finished difference Result 24100 states and 42342 transitions. [2024-10-11 15:18:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:18:02,266 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 [2024-10-11 15:18:02,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:02,371 INFO L225 Difference]: With dead ends: 24100 [2024-10-11 15:18:02,371 INFO L226 Difference]: Without dead ends: 16331 [2024-10-11 15:18:02,405 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 [2024-10-11 15:18:02,409 INFO L432 NwaCegarLoop]: 1638 mSDtfsCounter, 1842 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 4524 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:02,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 4524 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 15:18:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16331 states. [2024-10-11 15:18:03,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16331 to 15454. [2024-10-11 15:18:03,037 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) [2024-10-11 15:18:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15454 states to 15454 states and 26520 transitions. [2024-10-11 15:18:03,166 INFO L78 Accepts]: Start accepts. Automaton has 15454 states and 26520 transitions. Word has length 32 [2024-10-11 15:18:03,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:03,167 INFO L471 AbstractCegarLoop]: Abstraction has 15454 states and 26520 transitions. [2024-10-11 15:18:03,167 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) [2024-10-11 15:18:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 15454 states and 26520 transitions. [2024-10-11 15:18:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 15:18:03,168 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:03,168 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, 1, 1, 1, 1, 1] [2024-10-11 15:18:03,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:18:03,169 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:03,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:03,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1225058841, now seen corresponding path program 1 times [2024-10-11 15:18:03,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:03,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108585014] [2024-10-11 15:18:03,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:03,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 15:18:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:18:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:03,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 15:18:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:03,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:03,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108585014] [2024-10-11 15:18:03,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108585014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:03,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:03,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:03,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753212365] [2024-10-11 15:18:03,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:03,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:03,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:03,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:03,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:03,477 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) [2024-10-11 15:18:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:05,190 INFO L93 Difference]: Finished difference Result 47944 states and 84214 transitions. [2024-10-11 15:18:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:18:05,191 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 [2024-10-11 15:18:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:05,333 INFO L225 Difference]: With dead ends: 47944 [2024-10-11 15:18:05,333 INFO L226 Difference]: Without dead ends: 32491 [2024-10-11 15:18:05,384 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 [2024-10-11 15:18:05,386 INFO L432 NwaCegarLoop]: 1681 mSDtfsCounter, 1828 mSDsluCounter, 2868 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 4549 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:05,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 4549 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 15:18:05,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32491 states. [2024-10-11 15:18:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32491 to 30750. [2024-10-11 15:18:06,691 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) [2024-10-11 15:18:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30750 states to 30750 states and 52752 transitions. [2024-10-11 15:18:06,839 INFO L78 Accepts]: Start accepts. Automaton has 30750 states and 52752 transitions. Word has length 38 [2024-10-11 15:18:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:06,839 INFO L471 AbstractCegarLoop]: Abstraction has 30750 states and 52752 transitions. [2024-10-11 15:18:06,840 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) [2024-10-11 15:18:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 30750 states and 52752 transitions. [2024-10-11 15:18:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 15:18:06,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:06,842 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] [2024-10-11 15:18:06,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:18:06,842 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:06,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:06,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1005790827, now seen corresponding path program 1 times [2024-10-11 15:18:06,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:06,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145521153] [2024-10-11 15:18:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:06,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:07,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:18:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:18:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:07,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:18:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:07,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145521153] [2024-10-11 15:18:07,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145521153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:07,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:07,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:07,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879132013] [2024-10-11 15:18:07,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:07,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:07,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:07,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:07,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:07,230 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) [2024-10-11 15:18:09,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:09,682 INFO L93 Difference]: Finished difference Result 95416 states and 167534 transitions. [2024-10-11 15:18:09,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:18:09,683 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 [2024-10-11 15:18:09,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:09,997 INFO L225 Difference]: With dead ends: 95416 [2024-10-11 15:18:09,997 INFO L226 Difference]: Without dead ends: 64667 [2024-10-11 15:18:10,099 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 [2024-10-11 15:18:10,102 INFO L432 NwaCegarLoop]: 1624 mSDtfsCounter, 1841 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 4509 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:10,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 4509 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 15:18:10,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64667 states. [2024-10-11 15:18:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64667 to 61198. [2024-10-11 15:18:12,787 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) [2024-10-11 15:18:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61198 states to 61198 states and 104944 transitions. [2024-10-11 15:18:13,311 INFO L78 Accepts]: Start accepts. Automaton has 61198 states and 104944 transitions. Word has length 35 [2024-10-11 15:18:13,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:13,311 INFO L471 AbstractCegarLoop]: Abstraction has 61198 states and 104944 transitions. [2024-10-11 15:18:13,311 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) [2024-10-11 15:18:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 61198 states and 104944 transitions. [2024-10-11 15:18:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 15:18:13,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:13,313 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] [2024-10-11 15:18:13,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:18:13,313 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:13,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:13,314 INFO L85 PathProgramCache]: Analyzing trace with hash 307283692, now seen corresponding path program 1 times [2024-10-11 15:18:13,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:13,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522235645] [2024-10-11 15:18:13,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:13,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:13,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:18:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:13,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:18:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 15:18:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:13,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:13,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522235645] [2024-10-11 15:18:13,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522235645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:13,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:13,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:13,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271643217] [2024-10-11 15:18:13,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:13,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:13,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:13,725 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) [2024-10-11 15:18:17,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:17,870 INFO L93 Difference]: Finished difference Result 189928 states and 333326 transitions. [2024-10-11 15:18:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:18:17,871 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 [2024-10-11 15:18:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:18,578 INFO L225 Difference]: With dead ends: 189928 [2024-10-11 15:18:18,578 INFO L226 Difference]: Without dead ends: 128731 [2024-10-11 15:18:18,758 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 [2024-10-11 15:18:18,759 INFO L432 NwaCegarLoop]: 1704 mSDtfsCounter, 1830 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:18,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 4641 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 15:18:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128731 states. [2024-10-11 15:18:24,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128731 to 121806. [2024-10-11 15:18:24,249 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) [2024-10-11 15:18:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121806 states to 121806 states and 208784 transitions. [2024-10-11 15:18:24,908 INFO L78 Accepts]: Start accepts. Automaton has 121806 states and 208784 transitions. Word has length 39 [2024-10-11 15:18:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:18:24,908 INFO L471 AbstractCegarLoop]: Abstraction has 121806 states and 208784 transitions. [2024-10-11 15:18:24,909 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) [2024-10-11 15:18:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 121806 states and 208784 transitions. [2024-10-11 15:18:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 15:18:24,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:18:24,910 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] [2024-10-11 15:18:24,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:18:24,910 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:18:24,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:18:24,911 INFO L85 PathProgramCache]: Analyzing trace with hash -2033465978, now seen corresponding path program 1 times [2024-10-11 15:18:24,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:18:24,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524427810] [2024-10-11 15:18:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:18:24,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:18:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 15:18:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:25,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:18:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 15:18:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:18:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:18:25,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:18:25,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524427810] [2024-10-11 15:18:25,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524427810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:18:25,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:18:25,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:18:25,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360202136] [2024-10-11 15:18:25,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:18:25,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:18:25,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:18:25,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:18:25,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:18:25,264 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) [2024-10-11 15:18:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:18:33,202 INFO L93 Difference]: Finished difference Result 378088 states and 663214 transitions. [2024-10-11 15:18:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:18:33,203 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 [2024-10-11 15:18:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:18:34,876 INFO L225 Difference]: With dead ends: 378088 [2024-10-11 15:18:34,876 INFO L226 Difference]: Without dead ends: 256283 [2024-10-11 15:18:35,333 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 [2024-10-11 15:18:35,334 INFO L432 NwaCegarLoop]: 1684 mSDtfsCounter, 1817 mSDsluCounter, 2809 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:18:35,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 4493 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 15:18:35,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256283 states.