./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:28:32,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:28:32,213 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:28:32,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:28:32,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:28:32,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:28:32,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:28:32,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:28:32,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:28:32,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:28:32,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:28:32,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:28:32,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:28:32,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:28:32,250 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:28:32,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:28:32,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:28:32,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:28:32,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:28:32,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:28:32,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:28:32,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:28:32,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:28:32,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:28:32,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:28:32,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:28:32,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:28:32,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:28:32,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:28:32,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:28:32,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:28:32,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:28:32,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:28:32,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:28:32,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:28:32,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:28:32,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:28:32,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:28:32,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:28:32,260 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa00a102435cd9be2574d2e777aad2e91126f080f8422a74b94328a4b8d020d8 [2024-11-19 03:28:32,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:28:32,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:28:32,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:28:32,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:28:32,546 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:28:32,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:34,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:28:34,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:28:34,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:34,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03405bc58/7358434281d04c368b47be98833ada34/FLAG529b5f90d [2024-11-19 03:28:34,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03405bc58/7358434281d04c368b47be98833ada34 [2024-11-19 03:28:34,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:28:34,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:28:34,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:28:34,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:28:34,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:28:34,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:34" (1/1) ... [2024-11-19 03:28:34,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646e954e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:34, skipping insertion in model container [2024-11-19 03:28:34,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:34" (1/1) ... [2024-11-19 03:28:34,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:28:35,437 WARN L250 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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2024-11-19 03:28:35,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:28:35,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:28:35,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [2762] [2024-11-19 03:28:35,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [2769] [2024-11-19 03:28:35,791 WARN L250 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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2024-11-19 03:28:35,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:28:35,846 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:28:35,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35 WrapperNode [2024-11-19 03:28:35,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:28:35,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:28:35,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:28:35,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:28:35,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:35,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,004 INFO L138 Inliner]: procedures = 150, calls = 795, calls flagged for inlining = 63, calls inlined = 45, statements flattened = 1753 [2024-11-19 03:28:36,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:28:36,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:28:36,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:28:36,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:28:36,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,233 INFO L175 MemorySlicer]: Split 400 memory accesses to 11 slices as follows [2, 1, 4, 4, 27, 14, 8, 10, 9, 267, 54]. 67 percent of accesses are in the largest equivalence class. The 84 initializations are split as follows [2, 0, 0, 4, 8, 14, 8, 10, 3, 26, 9]. The 187 writes are split as follows [0, 0, 2, 0, 14, 0, 0, 0, 0, 130, 41]. [2024-11-19 03:28:36,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:28:36,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:28:36,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:28:36,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:28:36,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (1/1) ... [2024-11-19 03:28:36,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:28:36,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:36,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:28:36,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:28:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-19 03:28:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:28:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-19 03:28:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2024-11-19 03:28:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:28:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:28:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:28:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:28:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:28:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:28:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:28:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2024-11-19 03:28:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-19 03:28:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:28:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:28:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:28:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-19 03:28:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:28:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:28:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:28:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:28:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:28:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:28:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:28:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2024-11-19 03:28:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2024-11-19 03:28:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:28:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:28:36,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:28:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2024-11-19 03:28:36,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2024-11-19 03:28:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:28:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2024-11-19 03:28:36,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2024-11-19 03:28:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-11-19 03:28:36,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-11-19 03:28:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 03:28:36,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 03:28:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:28:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:28:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:28:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:28:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:28:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:28:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:28:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:28:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:28:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:28:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:28:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:28:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:28:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:28:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:28:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:28:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2024-11-19 03:28:36,465 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2024-11-19 03:28:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:28:36,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:28:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-19 03:28:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-19 03:28:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2024-11-19 03:28:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2024-11-19 03:28:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2024-11-19 03:28:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2024-11-19 03:28:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2024-11-19 03:28:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2024-11-19 03:28:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2024-11-19 03:28:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2024-11-19 03:28:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-19 03:28:36,467 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-19 03:28:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:28:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:28:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:28:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:28:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:28:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:28:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2024-11-19 03:28:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2024-11-19 03:28:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-19 03:28:36,469 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-19 03:28:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:28:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:28:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-19 03:28:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-19 03:28:36,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 03:28:36,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 03:28:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:28:36,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:28:36,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:28:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:28:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:28:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:28:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:28:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2024-11-19 03:28:36,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:28:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-19 03:28:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:28:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2024-11-19 03:28:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2024-11-19 03:28:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2024-11-19 03:28:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:28:36,476 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:28:36,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:28:36,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:28:36,906 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:28:43,311 INFO L? ?]: Removed 611 outVars from TransFormulas that were not future-live. [2024-11-19 03:28:43,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:28:43,350 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:28:43,353 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 03:28:43,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:43 BoogieIcfgContainer [2024-11-19 03:28:43,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:28:43,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:28:43,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:28:43,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:28:43,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:28:34" (1/3) ... [2024-11-19 03:28:43,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fd30ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:28:43, skipping insertion in model container [2024-11-19 03:28:43,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:35" (2/3) ... [2024-11-19 03:28:43,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fd30ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:28:43, skipping insertion in model container [2024-11-19 03:28:43,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:43" (3/3) ... [2024-11-19 03:28:43,364 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-19 03:28:43,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:28:43,380 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:28:43,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:28:43,468 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;@1fb61fba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:28:43,469 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:28:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 499 states, 347 states have (on average 1.2708933717579252) internal successors, (441), 360 states have internal predecessors, (441), 113 states have call successors, (113), 38 states have call predecessors, (113), 37 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-19 03:28:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-19 03:28:43,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:43,519 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:43,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:43,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:43,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1973896858, now seen corresponding path program 1 times [2024-11-19 03:28:43,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:43,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817534892] [2024-11-19 03:28:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:43,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-19 03:28:45,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:45,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817534892] [2024-11-19 03:28:45,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817534892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:28:45,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735320632] [2024-11-19 03:28:45,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:45,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:28:45,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:28:45,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:28:45,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:28:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:47,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 3502 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:28:47,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:28:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-19 03:28:47,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:28:47,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735320632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:47,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:28:47,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:28:47,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562489569] [2024-11-19 03:28:47,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:47,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:28:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:47,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:28:47,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:28:47,131 INFO L87 Difference]: Start difference. First operand has 499 states, 347 states have (on average 1.2708933717579252) internal successors, (441), 360 states have internal predecessors, (441), 113 states have call successors, (113), 38 states have call predecessors, (113), 37 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:28:47,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:47,211 INFO L93 Difference]: Finished difference Result 994 states and 1348 transitions. [2024-11-19 03:28:47,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:28:47,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 297 [2024-11-19 03:28:47,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:47,227 INFO L225 Difference]: With dead ends: 994 [2024-11-19 03:28:47,227 INFO L226 Difference]: Without dead ends: 479 [2024-11-19 03:28:47,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:28:47,238 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:47,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:47,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-19 03:28:47,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2024-11-19 03:28:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 336 states have (on average 1.2470238095238095) internal successors, (419), 342 states have internal predecessors, (419), 105 states have call successors, (105), 37 states have call predecessors, (105), 37 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-19 03:28:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 629 transitions. [2024-11-19 03:28:47,314 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 629 transitions. Word has length 297 [2024-11-19 03:28:47,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:47,315 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 629 transitions. [2024-11-19 03:28:47,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:28:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 629 transitions. [2024-11-19 03:28:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-19 03:28:47,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:47,323 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:47,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:28:47,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:28:47,524 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:47,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:47,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1602422449, now seen corresponding path program 1 times [2024-11-19 03:28:47,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:47,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932887490] [2024-11-19 03:28:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:47,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-19 03:28:48,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:48,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932887490] [2024-11-19 03:28:48,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932887490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:48,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:48,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:48,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274905772] [2024-11-19 03:28:48,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:48,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:48,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:48,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:48,804 INFO L87 Difference]: Start difference. First operand 479 states and 629 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 03:28:48,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:48,960 INFO L93 Difference]: Finished difference Result 996 states and 1306 transitions. [2024-11-19 03:28:48,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:48,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2024-11-19 03:28:48,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:48,969 INFO L225 Difference]: With dead ends: 996 [2024-11-19 03:28:48,969 INFO L226 Difference]: Without dead ends: 554 [2024-11-19 03:28:48,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:48,973 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 138 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:48,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1211 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:48,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-19 03:28:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2024-11-19 03:28:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 396 states have (on average 1.2601010101010102) internal successors, (499), 402 states have internal predecessors, (499), 113 states have call successors, (113), 44 states have call predecessors, (113), 44 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-19 03:28:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 725 transitions. [2024-11-19 03:28:49,032 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 725 transitions. Word has length 296 [2024-11-19 03:28:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:49,033 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 725 transitions. [2024-11-19 03:28:49,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 03:28:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 725 transitions. [2024-11-19 03:28:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-19 03:28:49,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:49,040 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:49,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:28:49,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:49,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:49,041 INFO L85 PathProgramCache]: Analyzing trace with hash -542274140, now seen corresponding path program 1 times [2024-11-19 03:28:49,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:49,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730502515] [2024-11-19 03:28:49,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-11-19 03:28:50,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:50,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730502515] [2024-11-19 03:28:50,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730502515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:50,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:50,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705164733] [2024-11-19 03:28:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:50,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:50,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:50,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:50,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:50,550 INFO L87 Difference]: Start difference. First operand 554 states and 725 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 03:28:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:50,640 INFO L93 Difference]: Finished difference Result 1070 states and 1402 transitions. [2024-11-19 03:28:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 308 [2024-11-19 03:28:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:50,647 INFO L225 Difference]: With dead ends: 1070 [2024-11-19 03:28:50,648 INFO L226 Difference]: Without dead ends: 556 [2024-11-19 03:28:50,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:50,653 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 1 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:50,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:28:50,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-19 03:28:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 555. [2024-11-19 03:28:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 397 states have (on average 1.2594458438287153) internal successors, (500), 403 states have internal predecessors, (500), 113 states have call successors, (113), 44 states have call predecessors, (113), 44 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-19 03:28:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 726 transitions. [2024-11-19 03:28:50,689 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 726 transitions. Word has length 308 [2024-11-19 03:28:50,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:50,690 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 726 transitions. [2024-11-19 03:28:50,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-19 03:28:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 726 transitions. [2024-11-19 03:28:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-19 03:28:50,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:50,697 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:28:50,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:28:50,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:50,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:50,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1280992752, now seen corresponding path program 1 times [2024-11-19 03:28:50,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:50,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844581188] [2024-11-19 03:28:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-11-19 03:28:53,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:53,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844581188] [2024-11-19 03:28:53,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844581188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:53,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:53,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:28:53,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836316877] [2024-11-19 03:28:53,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:53,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:28:53,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:53,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:28:53,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:28:53,100 INFO L87 Difference]: Start difference. First operand 555 states and 726 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-19 03:28:57,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:01,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:29:04,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:04,007 INFO L93 Difference]: Finished difference Result 1585 states and 2089 transitions. [2024-11-19 03:29:04,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:29:04,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 311 [2024-11-19 03:29:04,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:04,022 INFO L225 Difference]: With dead ends: 1585 [2024-11-19 03:29:04,023 INFO L226 Difference]: Without dead ends: 1583 [2024-11-19 03:29:04,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:29:04,025 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1119 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:04,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 2107 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 459 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-19 03:29:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2024-11-19 03:29:04,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1583. [2024-11-19 03:29:04,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1142 states have (on average 1.2670753064798599) internal successors, (1447), 1160 states have internal predecessors, (1447), 313 states have call successors, (313), 127 states have call predecessors, (313), 127 states have return successors, (327), 313 states have call predecessors, (327), 313 states have call successors, (327) [2024-11-19 03:29:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2087 transitions. [2024-11-19 03:29:04,125 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2087 transitions. Word has length 311 [2024-11-19 03:29:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:04,126 INFO L471 AbstractCegarLoop]: Abstraction has 1583 states and 2087 transitions. [2024-11-19 03:29:04,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-19 03:29:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2087 transitions. [2024-11-19 03:29:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-19 03:29:04,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:04,133 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:04,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:29:04,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:04,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:04,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1943521491, now seen corresponding path program 1 times [2024-11-19 03:29:04,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:04,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606815279] [2024-11-19 03:29:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:04,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-11-19 03:29:05,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:05,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606815279] [2024-11-19 03:29:05,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606815279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:05,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:05,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:29:05,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099478525] [2024-11-19 03:29:05,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:05,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:29:05,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:05,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:29:05,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:29:05,419 INFO L87 Difference]: Start difference. First operand 1583 states and 2087 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:29:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:05,554 INFO L93 Difference]: Finished difference Result 3134 states and 4138 transitions. [2024-11-19 03:29:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:29:05,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 329 [2024-11-19 03:29:05,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:05,564 INFO L225 Difference]: With dead ends: 3134 [2024-11-19 03:29:05,564 INFO L226 Difference]: Without dead ends: 1595 [2024-11-19 03:29:05,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:29:05,570 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 1873 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2500 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:05,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2500 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:29:05,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2024-11-19 03:29:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2024-11-19 03:29:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1151 states have (on average 1.26498696785404) internal successors, (1456), 1169 states have internal predecessors, (1456), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2102 transitions. [2024-11-19 03:29:05,632 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2102 transitions. Word has length 329 [2024-11-19 03:29:05,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:05,633 INFO L471 AbstractCegarLoop]: Abstraction has 1595 states and 2102 transitions. [2024-11-19 03:29:05,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:29:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2102 transitions. [2024-11-19 03:29:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-19 03:29:05,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:05,639 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:05,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:29:05,640 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:05,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:05,640 INFO L85 PathProgramCache]: Analyzing trace with hash -222880935, now seen corresponding path program 1 times [2024-11-19 03:29:05,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:05,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819058013] [2024-11-19 03:29:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:05,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-19 03:29:06,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:06,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819058013] [2024-11-19 03:29:06,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819058013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:06,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:06,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:29:06,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235019722] [2024-11-19 03:29:06,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:06,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:06,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:06,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:06,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:06,837 INFO L87 Difference]: Start difference. First operand 1595 states and 2102 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-19 03:29:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:06,948 INFO L93 Difference]: Finished difference Result 3152 states and 4159 transitions. [2024-11-19 03:29:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:29:06,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 346 [2024-11-19 03:29:06,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:06,961 INFO L225 Difference]: With dead ends: 3152 [2024-11-19 03:29:06,962 INFO L226 Difference]: Without dead ends: 1601 [2024-11-19 03:29:06,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:06,969 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 1 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:06,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:06,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2024-11-19 03:29:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1598. [2024-11-19 03:29:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1154 states have (on average 1.2642980935875217) internal successors, (1459), 1172 states have internal predecessors, (1459), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2105 transitions. [2024-11-19 03:29:07,054 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2105 transitions. Word has length 346 [2024-11-19 03:29:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:07,055 INFO L471 AbstractCegarLoop]: Abstraction has 1598 states and 2105 transitions. [2024-11-19 03:29:07,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-19 03:29:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2105 transitions. [2024-11-19 03:29:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-19 03:29:07,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:07,063 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:07,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:29:07,063 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:07,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:07,064 INFO L85 PathProgramCache]: Analyzing trace with hash 831068044, now seen corresponding path program 1 times [2024-11-19 03:29:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:07,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537074743] [2024-11-19 03:29:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:09,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:09,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537074743] [2024-11-19 03:29:09,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537074743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:09,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196216956] [2024-11-19 03:29:09,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:09,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:09,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:09,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:29:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:11,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 3768 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:29:11,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:11,391 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:11,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196216956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:11,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:11,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-19 03:29:11,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331150160] [2024-11-19 03:29:11,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:11,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:29:11,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:29:11,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:29:11,398 INFO L87 Difference]: Start difference. First operand 1598 states and 2105 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:29:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:12,203 INFO L93 Difference]: Finished difference Result 3158 states and 4165 transitions. [2024-11-19 03:29:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:29:12,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 353 [2024-11-19 03:29:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:12,214 INFO L225 Difference]: With dead ends: 3158 [2024-11-19 03:29:12,214 INFO L226 Difference]: Without dead ends: 1604 [2024-11-19 03:29:12,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:29:12,221 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:12,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1871 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 03:29:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-19 03:29:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2024-11-19 03:29:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1160 states have (on average 1.2629310344827587) internal successors, (1465), 1178 states have internal predecessors, (1465), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2111 transitions. [2024-11-19 03:29:12,286 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2111 transitions. Word has length 353 [2024-11-19 03:29:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:12,289 INFO L471 AbstractCegarLoop]: Abstraction has 1604 states and 2111 transitions. [2024-11-19 03:29:12,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:29:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2111 transitions. [2024-11-19 03:29:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-19 03:29:12,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:12,296 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:12,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 03:29:12,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-19 03:29:12,497 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:12,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:12,498 INFO L85 PathProgramCache]: Analyzing trace with hash 672402133, now seen corresponding path program 1 times [2024-11-19 03:29:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:12,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994818849] [2024-11-19 03:29:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:12,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:13,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:13,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994818849] [2024-11-19 03:29:13,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994818849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:13,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649029984] [2024-11-19 03:29:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:13,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:13,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 03:29:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:15,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 3909 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:29:15,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-11-19 03:29:15,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:15,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649029984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:15,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:15,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-19 03:29:15,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333793802] [2024-11-19 03:29:15,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:15,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:29:15,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:15,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:29:15,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:29:15,747 INFO L87 Difference]: Start difference. First operand 1604 states and 2111 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:29:15,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:15,968 INFO L93 Difference]: Finished difference Result 3170 states and 4177 transitions. [2024-11-19 03:29:15,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:29:15,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 346 [2024-11-19 03:29:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:15,981 INFO L225 Difference]: With dead ends: 3170 [2024-11-19 03:29:15,981 INFO L226 Difference]: Without dead ends: 1610 [2024-11-19 03:29:15,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:29:15,988 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:15,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1872 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:29:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2024-11-19 03:29:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1610. [2024-11-19 03:29:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1166 states have (on average 1.2615780445969125) internal successors, (1471), 1184 states have internal predecessors, (1471), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2117 transitions. [2024-11-19 03:29:16,050 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2117 transitions. Word has length 346 [2024-11-19 03:29:16,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:16,050 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 2117 transitions. [2024-11-19 03:29:16,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:29:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2117 transitions. [2024-11-19 03:29:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-19 03:29:16,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:16,054 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:16,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 03:29:16,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:16,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:16,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:16,256 INFO L85 PathProgramCache]: Analyzing trace with hash 756519901, now seen corresponding path program 1 times [2024-11-19 03:29:16,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:16,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510865251] [2024-11-19 03:29:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:16,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:17,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:17,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510865251] [2024-11-19 03:29:17,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510865251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:17,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41439043] [2024-11-19 03:29:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:17,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:17,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:17,393 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:17,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 03:29:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:19,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 3913 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:29:19,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-11-19 03:29:19,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:19,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41439043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:19,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:19,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-19 03:29:19,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346069938] [2024-11-19 03:29:19,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:19,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:29:19,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:19,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:29:19,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:29:19,393 INFO L87 Difference]: Start difference. First operand 1610 states and 2117 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:29:19,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:19,703 INFO L93 Difference]: Finished difference Result 3182 states and 4189 transitions. [2024-11-19 03:29:19,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:29:19,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 348 [2024-11-19 03:29:19,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:19,714 INFO L225 Difference]: With dead ends: 3182 [2024-11-19 03:29:19,715 INFO L226 Difference]: Without dead ends: 1616 [2024-11-19 03:29:19,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:29:19,721 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:19,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1872 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 03:29:19,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2024-11-19 03:29:19,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1610. [2024-11-19 03:29:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1166 states have (on average 1.2615780445969125) internal successors, (1471), 1184 states have internal predecessors, (1471), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2117 transitions. [2024-11-19 03:29:19,783 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2117 transitions. Word has length 348 [2024-11-19 03:29:19,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:19,784 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 2117 transitions. [2024-11-19 03:29:19,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:29:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2117 transitions. [2024-11-19 03:29:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-19 03:29:19,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:19,788 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:19,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 03:29:19,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:19,989 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:19,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:19,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1235233364, now seen corresponding path program 1 times [2024-11-19 03:29:19,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:19,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133688996] [2024-11-19 03:29:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:19,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:22,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:22,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133688996] [2024-11-19 03:29:22,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133688996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:22,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20469489] [2024-11-19 03:29:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:22,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:22,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:22,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:22,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 03:29:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:24,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 3772 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 03:29:24,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:24,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:29:24,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20469489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:24,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:29:24,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-19 03:29:24,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434923697] [2024-11-19 03:29:24,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:24,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:29:24,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:24,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:29:24,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:29:24,518 INFO L87 Difference]: Start difference. First operand 1610 states and 2117 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:29:25,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:25,595 INFO L93 Difference]: Finished difference Result 3182 states and 4189 transitions. [2024-11-19 03:29:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:29:25,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 355 [2024-11-19 03:29:25,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:25,607 INFO L225 Difference]: With dead ends: 3182 [2024-11-19 03:29:25,608 INFO L226 Difference]: Without dead ends: 1616 [2024-11-19 03:29:25,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:29:25,615 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:25,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1871 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 03:29:25,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2024-11-19 03:29:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1610. [2024-11-19 03:29:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1166 states have (on average 1.2615780445969125) internal successors, (1471), 1184 states have internal predecessors, (1471), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2117 transitions. [2024-11-19 03:29:25,750 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2117 transitions. Word has length 355 [2024-11-19 03:29:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:25,751 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 2117 transitions. [2024-11-19 03:29:25,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-19 03:29:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2117 transitions. [2024-11-19 03:29:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-19 03:29:25,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:25,757 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:25,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 03:29:25,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 03:29:25,961 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:25,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:25,962 INFO L85 PathProgramCache]: Analyzing trace with hash 327359364, now seen corresponding path program 1 times [2024-11-19 03:29:25,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:25,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120663797] [2024-11-19 03:29:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:25,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-19 03:29:26,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:26,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120663797] [2024-11-19 03:29:26,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120663797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:26,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:26,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:29:26,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087830073] [2024-11-19 03:29:26,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:26,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:26,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:26,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:26,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:26,997 INFO L87 Difference]: Start difference. First operand 1610 states and 2117 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-19 03:29:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:27,282 INFO L93 Difference]: Finished difference Result 3179 states and 4186 transitions. [2024-11-19 03:29:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:29:27,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 350 [2024-11-19 03:29:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:27,303 INFO L225 Difference]: With dead ends: 3179 [2024-11-19 03:29:27,303 INFO L226 Difference]: Without dead ends: 1613 [2024-11-19 03:29:27,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:27,310 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 0 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:27,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:29:27,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2024-11-19 03:29:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1613. [2024-11-19 03:29:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1613 states, 1169 states have (on average 1.260906757912746) internal successors, (1474), 1187 states have internal predecessors, (1474), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 2120 transitions. [2024-11-19 03:29:27,377 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 2120 transitions. Word has length 350 [2024-11-19 03:29:27,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:27,378 INFO L471 AbstractCegarLoop]: Abstraction has 1613 states and 2120 transitions. [2024-11-19 03:29:27,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-19 03:29:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2120 transitions. [2024-11-19 03:29:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-19 03:29:27,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:27,383 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:27,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:29:27,383 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:27,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:27,384 INFO L85 PathProgramCache]: Analyzing trace with hash -685579314, now seen corresponding path program 1 times [2024-11-19 03:29:27,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:27,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315113162] [2024-11-19 03:29:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:27,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-19 03:29:28,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:28,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315113162] [2024-11-19 03:29:28,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315113162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:28,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41584230] [2024-11-19 03:29:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:28,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:28,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:28,514 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:28,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 03:29:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:30,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 3986 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:29:30,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:30,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:29:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-19 03:29:32,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41584230] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:29:32,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:29:32,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-19 03:29:32,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551730033] [2024-11-19 03:29:32,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:29:32,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:29:32,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:32,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:29:32,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:29:32,229 INFO L87 Difference]: Start difference. First operand 1613 states and 2120 transitions. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-19 03:29:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:32,323 INFO L93 Difference]: Finished difference Result 3188 states and 4195 transitions. [2024-11-19 03:29:32,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:29:32,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 353 [2024-11-19 03:29:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:32,335 INFO L225 Difference]: With dead ends: 3188 [2024-11-19 03:29:32,335 INFO L226 Difference]: Without dead ends: 1619 [2024-11-19 03:29:32,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 704 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:29:32,342 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 1 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:32,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1250 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:29:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2024-11-19 03:29:32,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1619. [2024-11-19 03:29:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1175 states have (on average 1.2595744680851064) internal successors, (1480), 1193 states have internal predecessors, (1480), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2126 transitions. [2024-11-19 03:29:32,395 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2126 transitions. Word has length 353 [2024-11-19 03:29:32,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:32,396 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2126 transitions. [2024-11-19 03:29:32,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-19 03:29:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2126 transitions. [2024-11-19 03:29:32,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-19 03:29:32,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:32,400 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:32,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 03:29:32,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:32,601 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:32,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:32,602 INFO L85 PathProgramCache]: Analyzing trace with hash -529602121, now seen corresponding path program 1 times [2024-11-19 03:29:32,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:32,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863433829] [2024-11-19 03:29:32,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:33,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:33,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863433829] [2024-11-19 03:29:33,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863433829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:29:33,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:29:33,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:29:33,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892292240] [2024-11-19 03:29:33,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:29:33,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:29:33,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:33,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:29:33,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:33,455 INFO L87 Difference]: Start difference. First operand 1619 states and 2126 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:29:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:29:33,891 INFO L93 Difference]: Finished difference Result 3197 states and 4204 transitions. [2024-11-19 03:29:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:29:33,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 353 [2024-11-19 03:29:33,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:29:33,903 INFO L225 Difference]: With dead ends: 3197 [2024-11-19 03:29:33,904 INFO L226 Difference]: Without dead ends: 1622 [2024-11-19 03:29:33,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:29:33,910 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 0 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:29:33,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:29:33,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2024-11-19 03:29:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1622. [2024-11-19 03:29:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1178 states have (on average 1.2589134125636672) internal successors, (1483), 1196 states have internal predecessors, (1483), 313 states have call successors, (313), 127 states have call predecessors, (313), 130 states have return successors, (333), 316 states have call predecessors, (333), 313 states have call successors, (333) [2024-11-19 03:29:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2129 transitions. [2024-11-19 03:29:33,971 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2129 transitions. Word has length 353 [2024-11-19 03:29:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:29:33,972 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2129 transitions. [2024-11-19 03:29:33,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-19 03:29:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2129 transitions. [2024-11-19 03:29:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-19 03:29:33,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:29:33,975 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:29:33,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:29:33,976 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_device_create_fileErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:29:33,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:29:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash 821074877, now seen corresponding path program 1 times [2024-11-19 03:29:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:29:33,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432922307] [2024-11-19 03:29:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:33,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:29:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:36,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:29:36,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432922307] [2024-11-19 03:29:36,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432922307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:29:36,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450855877] [2024-11-19 03:29:36,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:29:36,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:29:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:36,317 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:29:36,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 03:29:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:29:38,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 3806 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 03:29:38,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:29:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2024-11-19 03:29:44,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:29:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-19 03:29:47,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450855877] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:29:47,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:29:47,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 18 [2024-11-19 03:29:47,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716068440] [2024-11-19 03:29:47,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:29:47,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 03:29:47,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:29:47,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 03:29:47,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-19 03:29:47,402 INFO L87 Difference]: Start difference. First operand 1622 states and 2129 transitions. Second operand has 18 states, 18 states have (on average 21.38888888888889) internal successors, (385), 18 states have internal predecessors, (385), 12 states have call successors, (102), 11 states have call predecessors, (102), 8 states have return successors, (97), 12 states have call predecessors, (97), 12 states have call successors, (97)