./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.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 b0b334a11302bf275fa3309d3cd34d1e1506650a5df36f9442e98ab153dfb38d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:22:35,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:22:35,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:22:35,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:22:35,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:22:35,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:22:35,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:22:35,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:22:35,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:22:35,705 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:22:35,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:22:35,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:22:35,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:22:35,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:22:35,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:22:35,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:22:35,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:22:35,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:22:35,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:22:35,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:22:35,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:22:35,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:22:35,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:22:35,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:22:35,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:22:35,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:22:35,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:22:35,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:22:35,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:22:35,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:22:35,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:22:35,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:22:35,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:22:35,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:22:35,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:22:35,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:22:35,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:22:35,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:22:35,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:22:35,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b334a11302bf275fa3309d3cd34d1e1506650a5df36f9442e98ab153dfb38d [2024-11-19 03:22:35,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:22:36,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:22:36,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:22:36,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:22:36,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:22:36,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2024-11-19 03:22:37,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:22:37,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:22:37,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2024-11-19 03:22:37,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68877dd8/d715fb0a028c4f0ab34e5c4957a19799/FLAGe57f7101b [2024-11-19 03:22:38,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68877dd8/d715fb0a028c4f0ab34e5c4957a19799 [2024-11-19 03:22:38,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:22:38,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:22:38,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:22:38,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:22:38,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:22:38,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:38" (1/1) ... [2024-11-19 03:22:38,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d631f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:38, skipping insertion in model container [2024-11-19 03:22:38,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:38" (1/1) ... [2024-11-19 03:22:38,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:22:38,603 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2024-11-19 03:22:38,603 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2024-11-19 03:22:38,770 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[104435,104448] [2024-11-19 03:22:39,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:22:39,158 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:22:39,306 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2024-11-19 03:22:39,307 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2024-11-19 03:22:39,317 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[104435,104448] [2024-11-19 03:22:39,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:22:39,495 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:22:39,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39 WrapperNode [2024-11-19 03:22:39,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:22:39,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:22:39,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:22:39,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:22:39,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,650 INFO L138 Inliner]: procedures = 139, calls = 843, calls flagged for inlining = 60, calls inlined = 49, statements flattened = 1871 [2024-11-19 03:22:39,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:22:39,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:22:39,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:22:39,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:22:39,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,858 INFO L175 MemorySlicer]: Split 358 memory accesses to 15 slices as follows [2, 17, 3, 167, 30, 9, 1, 5, 0, 2, 8, 24, 77, 1, 12]. 47 percent of accesses are in the largest equivalence class. The 35 initializations are split as follows [2, 0, 0, 4, 0, 9, 0, 0, 0, 0, 8, 0, 0, 0, 12]. The 212 writes are split as follows [0, 8, 2, 64, 30, 0, 1, 3, 0, 2, 0, 24, 77, 1, 0]. [2024-11-19 03:22:39,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:39,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:22:39,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:22:39,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:22:39,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:22:39,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (1/1) ... [2024-11-19 03:22:40,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:22:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:22:40,046 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 03:22:40,050 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 03:22:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:22:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:22:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:22:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:22:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:22:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:22:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:22:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:22:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:22:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:22:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:22:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:22:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:22:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:22:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:22:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:22:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:22:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:22:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:22:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:22:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:22:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2024-11-19 03:22:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2024-11-19 03:22:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:22:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:22:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:22:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:22:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:22:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:22:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:22:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:22:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:22:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:22:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:22:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:22:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:22:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:22:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:22:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:22:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2024-11-19 03:22:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2024-11-19 03:22:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 03:22:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 03:22:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2024-11-19 03:22:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2024-11-19 03:22:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-19 03:22:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-19 03:22:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:22:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:22:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:22:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:22:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:22:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:22:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:22:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:22:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:22:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-19 03:22:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:22:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:22:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:22:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:22:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:22:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:22:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:22:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:22:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:22:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:22:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:22:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:22:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 03:22:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:22:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 03:22:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2024-11-19 03:22:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:22:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 03:22:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 03:22:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:22:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:22:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:22:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:22:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 03:22:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 03:22:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-19 03:22:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-19 03:22:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-19 03:22:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-19 03:22:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-19 03:22:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-19 03:22:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:22:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:22:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:22:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:22:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:22:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:22:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:22:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:22:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-19 03:22:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:22:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:22:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:22:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:22:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:22:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:22:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:22:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:22:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-19 03:22:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:22:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:22:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2024-11-19 03:22:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2024-11-19 03:22:40,637 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:22:40,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:22:41,083 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:22:48,113 INFO L? ?]: Removed 819 outVars from TransFormulas that were not future-live. [2024-11-19 03:22:48,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:22:48,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:22:48,148 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 03:22:48,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:48 BoogieIcfgContainer [2024-11-19 03:22:48,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:22:48,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:22:48,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:22:48,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:22:48,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:22:38" (1/3) ... [2024-11-19 03:22:48,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f033be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:22:48, skipping insertion in model container [2024-11-19 03:22:48,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:39" (2/3) ... [2024-11-19 03:22:48,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f033be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:22:48, skipping insertion in model container [2024-11-19 03:22:48,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:48" (3/3) ... [2024-11-19 03:22:48,164 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2024-11-19 03:22:48,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:22:48,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:22:48,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:22:48,308 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;@7afe1a21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:22:48,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:22:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 359 states have (on average 1.4094707520891365) internal successors, (506), 367 states have internal predecessors, (506), 77 states have call successors, (77), 29 states have call predecessors, (77), 28 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-19 03:22:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-19 03:22:48,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:22:48,351 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:22:48,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:22:48,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:22:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash 930780732, now seen corresponding path program 1 times [2024-11-19 03:22:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:22:48,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223108992] [2024-11-19 03:22:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:22:48,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:22:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:22:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 03:22:50,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:22:50,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223108992] [2024-11-19 03:22:50,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223108992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:22:50,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:22:50,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:22:50,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275667379] [2024-11-19 03:22:50,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:22:50,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:22:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:22:50,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:22:50,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:22:50,956 INFO L87 Difference]: Start difference. First operand has 466 states, 359 states have (on average 1.4094707520891365) internal successors, (506), 367 states have internal predecessors, (506), 77 states have call successors, (77), 29 states have call predecessors, (77), 28 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-19 03:22:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:22:51,295 INFO L93 Difference]: Finished difference Result 973 states and 1384 transitions. [2024-11-19 03:22:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:22:51,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 135 [2024-11-19 03:22:51,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:22:51,314 INFO L225 Difference]: With dead ends: 973 [2024-11-19 03:22:51,315 INFO L226 Difference]: Without dead ends: 481 [2024-11-19 03:22:51,323 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 03:22:51,325 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 58 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:22:51,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1269 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:22:51,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-19 03:22:51,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 478. [2024-11-19 03:22:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 372 states have (on average 1.3844086021505377) internal successors, (515), 376 states have internal predecessors, (515), 76 states have call successors, (76), 30 states have call predecessors, (76), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 03:22:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 666 transitions. [2024-11-19 03:22:51,424 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 666 transitions. Word has length 135 [2024-11-19 03:22:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:22:51,425 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 666 transitions. [2024-11-19 03:22:51,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-19 03:22:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 666 transitions. [2024-11-19 03:22:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 03:22:51,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:22:51,432 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:22:51,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:22:51,432 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:22:51,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:22:51,433 INFO L85 PathProgramCache]: Analyzing trace with hash -356053546, now seen corresponding path program 1 times [2024-11-19 03:22:51,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:22:51,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135008902] [2024-11-19 03:22:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:22:51,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:22:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:22:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-19 03:22:53,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:22:53,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135008902] [2024-11-19 03:22:53,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135008902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:22:53,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:22:53,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:22:53,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965836555] [2024-11-19 03:22:53,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:22:53,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:22:53,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:22:53,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:22:53,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:22:53,360 INFO L87 Difference]: Start difference. First operand 478 states and 666 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 03:22:53,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:22:53,497 INFO L93 Difference]: Finished difference Result 953 states and 1331 transitions. [2024-11-19 03:22:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:22:53,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 162 [2024-11-19 03:22:53,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:22:53,504 INFO L225 Difference]: With dead ends: 953 [2024-11-19 03:22:53,504 INFO L226 Difference]: Without dead ends: 478 [2024-11-19 03:22:53,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:22:53,510 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:22:53,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 611 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:22:53,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-19 03:22:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2024-11-19 03:22:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 372 states have (on average 1.3602150537634408) internal successors, (506), 376 states have internal predecessors, (506), 76 states have call successors, (76), 30 states have call predecessors, (76), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 03:22:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 657 transitions. [2024-11-19 03:22:53,557 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 657 transitions. Word has length 162 [2024-11-19 03:22:53,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:22:53,558 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 657 transitions. [2024-11-19 03:22:53,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 03:22:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 657 transitions. [2024-11-19 03:22:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-19 03:22:53,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:22:53,565 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:22:53,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:22:53,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:22:53,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:22:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash -2060287503, now seen corresponding path program 1 times [2024-11-19 03:22:53,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:22:53,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018682044] [2024-11-19 03:22:53,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:22:53,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:22:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:22:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 03:22:55,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:22:55,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018682044] [2024-11-19 03:22:55,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018682044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:22:55,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:22:55,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:22:55,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412334698] [2024-11-19 03:22:55,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:22:55,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:22:55,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:22:55,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:22:55,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:22:55,284 INFO L87 Difference]: Start difference. First operand 478 states and 657 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 03:22:59,321 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 03:22:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:22:59,826 INFO L93 Difference]: Finished difference Result 1005 states and 1381 transitions. [2024-11-19 03:22:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:22:59,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 176 [2024-11-19 03:22:59,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:22:59,831 INFO L225 Difference]: With dead ends: 1005 [2024-11-19 03:22:59,831 INFO L226 Difference]: Without dead ends: 530 [2024-11-19 03:22:59,834 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 03:22:59,835 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 82 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-19 03:22:59,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1213 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-19 03:22:59,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-19 03:22:59,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 527. [2024-11-19 03:22:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 414 states have (on average 1.355072463768116) internal successors, (561), 419 states have internal predecessors, (561), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:22:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 718 transitions. [2024-11-19 03:22:59,859 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 718 transitions. Word has length 176 [2024-11-19 03:22:59,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:22:59,859 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 718 transitions. [2024-11-19 03:22:59,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 03:22:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 718 transitions. [2024-11-19 03:22:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 03:22:59,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:22:59,864 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:22:59,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:22:59,864 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:22:59,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:22:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1893312832, now seen corresponding path program 1 times [2024-11-19 03:22:59,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:22:59,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392338417] [2024-11-19 03:22:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:22:59,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-19 03:23:02,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:02,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392338417] [2024-11-19 03:23:02,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392338417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:02,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:23:02,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:23:02,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366170256] [2024-11-19 03:23:02,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:02,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:23:02,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:02,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:23:02,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:23:02,150 INFO L87 Difference]: Start difference. First operand 527 states and 718 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:23:02,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:02,374 INFO L93 Difference]: Finished difference Result 1053 states and 1438 transitions. [2024-11-19 03:23:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:23:02,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 194 [2024-11-19 03:23:02,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:02,379 INFO L225 Difference]: With dead ends: 1053 [2024-11-19 03:23:02,380 INFO L226 Difference]: Without dead ends: 529 [2024-11-19 03:23:02,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:23:02,384 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 0 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:02,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1837 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:23:02,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-19 03:23:02,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2024-11-19 03:23:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 416 states have (on average 1.3533653846153846) internal successors, (563), 421 states have internal predecessors, (563), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:23:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 720 transitions. [2024-11-19 03:23:02,412 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 720 transitions. Word has length 194 [2024-11-19 03:23:02,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:02,414 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 720 transitions. [2024-11-19 03:23:02,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:23:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 720 transitions. [2024-11-19 03:23:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-19 03:23:02,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:02,418 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-19 03:23:02,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:23:02,418 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:02,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash 178802536, now seen corresponding path program 1 times [2024-11-19 03:23:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:02,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851969262] [2024-11-19 03:23:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:02,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-19 03:23:04,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:04,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851969262] [2024-11-19 03:23:04,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851969262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:04,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:23:04,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:23:04,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324484373] [2024-11-19 03:23:04,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:04,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:23:04,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:04,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:23:04,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:23:04,016 INFO L87 Difference]: Start difference. First operand 529 states and 720 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:04,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:04,124 INFO L93 Difference]: Finished difference Result 1056 states and 1441 transitions. [2024-11-19 03:23:04,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:23:04,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 216 [2024-11-19 03:23:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:04,130 INFO L225 Difference]: With dead ends: 1056 [2024-11-19 03:23:04,131 INFO L226 Difference]: Without dead ends: 530 [2024-11-19 03:23:04,133 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 03:23:04,134 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 0 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:04,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1228 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:23:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-19 03:23:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-11-19 03:23:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 417 states have (on average 1.3525179856115108) internal successors, (564), 422 states have internal predecessors, (564), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:23:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 721 transitions. [2024-11-19 03:23:04,164 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 721 transitions. Word has length 216 [2024-11-19 03:23:04,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:04,165 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 721 transitions. [2024-11-19 03:23:04,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 721 transitions. [2024-11-19 03:23:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-19 03:23:04,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:04,170 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-19 03:23:04,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:23:04,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:04,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:04,171 INFO L85 PathProgramCache]: Analyzing trace with hash -616688049, now seen corresponding path program 1 times [2024-11-19 03:23:04,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64731980] [2024-11-19 03:23:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-19 03:23:05,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:05,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64731980] [2024-11-19 03:23:05,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64731980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:05,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:23:05,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:23:05,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535831402] [2024-11-19 03:23:05,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:05,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:23:05,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:05,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:23:05,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:23:05,683 INFO L87 Difference]: Start difference. First operand 530 states and 721 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:05,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:05,865 INFO L93 Difference]: Finished difference Result 1066 states and 1459 transitions. [2024-11-19 03:23:05,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:23:05,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 212 [2024-11-19 03:23:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:05,873 INFO L225 Difference]: With dead ends: 1066 [2024-11-19 03:23:05,873 INFO L226 Difference]: Without dead ends: 539 [2024-11-19 03:23:05,875 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 03:23:05,875 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 8 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:05,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1230 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:23:05,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-19 03:23:05,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 531. [2024-11-19 03:23:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 418 states have (on average 1.3516746411483254) internal successors, (565), 423 states have internal predecessors, (565), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:23:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 722 transitions. [2024-11-19 03:23:05,897 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 722 transitions. Word has length 212 [2024-11-19 03:23:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:05,898 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 722 transitions. [2024-11-19 03:23:05,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 722 transitions. [2024-11-19 03:23:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-19 03:23:05,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:05,902 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-19 03:23:05,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:23:05,902 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:05,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:05,903 INFO L85 PathProgramCache]: Analyzing trace with hash 509554074, now seen corresponding path program 1 times [2024-11-19 03:23:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860141382] [2024-11-19 03:23:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-19 03:23:08,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:08,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860141382] [2024-11-19 03:23:08,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860141382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:08,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:23:08,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:23:08,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346708213] [2024-11-19 03:23:08,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:08,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:23:08,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:08,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:23:08,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:23:08,022 INFO L87 Difference]: Start difference. First operand 531 states and 722 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:08,214 INFO L93 Difference]: Finished difference Result 1061 states and 1446 transitions. [2024-11-19 03:23:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:23:08,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 216 [2024-11-19 03:23:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:08,220 INFO L225 Difference]: With dead ends: 1061 [2024-11-19 03:23:08,220 INFO L226 Difference]: Without dead ends: 533 [2024-11-19 03:23:08,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:23:08,225 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 0 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:08,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1837 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:23:08,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-19 03:23:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2024-11-19 03:23:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 418 states have (on average 1.3516746411483254) internal successors, (565), 423 states have internal predecessors, (565), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:23:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 722 transitions. [2024-11-19 03:23:08,259 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 722 transitions. Word has length 216 [2024-11-19 03:23:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:08,259 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 722 transitions. [2024-11-19 03:23:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 722 transitions. [2024-11-19 03:23:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-19 03:23:08,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:08,265 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-19 03:23:08,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:23:08,265 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:08,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:08,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1518807592, now seen corresponding path program 1 times [2024-11-19 03:23:08,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:08,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449882573] [2024-11-19 03:23:08,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:08,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-19 03:23:09,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449882573] [2024-11-19 03:23:09,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449882573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:09,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929287927] [2024-11-19 03:23:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:09,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:09,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:09,851 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 03:23:09,852 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 03:23:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:11,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 2959 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 03:23:11,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:23:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-19 03:23:12,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:23:12,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929287927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:12,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:23:12,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:23:12,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970450703] [2024-11-19 03:23:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:12,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:23:12,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:12,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:23:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:23:12,029 INFO L87 Difference]: Start difference. First operand 531 states and 722 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-19 03:23:12,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:12,119 INFO L93 Difference]: Finished difference Result 535 states and 726 transitions. [2024-11-19 03:23:12,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:23:12,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 221 [2024-11-19 03:23:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:12,123 INFO L225 Difference]: With dead ends: 535 [2024-11-19 03:23:12,123 INFO L226 Difference]: Without dead ends: 532 [2024-11-19 03:23:12,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:23:12,125 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 0 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:12,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1229 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:23:12,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-19 03:23:12,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2024-11-19 03:23:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 419 states have (on average 1.3508353221957041) internal successors, (566), 424 states have internal predecessors, (566), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:23:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 723 transitions. [2024-11-19 03:23:12,148 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 723 transitions. Word has length 221 [2024-11-19 03:23:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:12,148 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 723 transitions. [2024-11-19 03:23:12,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-19 03:23:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 723 transitions. [2024-11-19 03:23:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-19 03:23:12,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:12,153 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-19 03:23:12,181 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 03:23:12,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:12,355 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:12,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:12,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1172317377, now seen corresponding path program 1 times [2024-11-19 03:23:12,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:12,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376420191] [2024-11-19 03:23:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:12,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-19 03:23:14,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376420191] [2024-11-19 03:23:14,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376420191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228403656] [2024-11-19 03:23:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:14,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:14,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:14,348 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 03:23:14,351 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 03:23:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:16,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 2945 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:23:16,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:23:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-19 03:23:16,677 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:23:16,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228403656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:16,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:23:16,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 03:23:16,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731691092] [2024-11-19 03:23:16,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:16,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:23:16,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:16,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:23:16,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:23:16,679 INFO L87 Difference]: Start difference. First operand 532 states and 723 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:16,786 INFO L93 Difference]: Finished difference Result 1067 states and 1458 transitions. [2024-11-19 03:23:16,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:23:16,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 219 [2024-11-19 03:23:16,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:16,792 INFO L225 Difference]: With dead ends: 1067 [2024-11-19 03:23:16,792 INFO L226 Difference]: Without dead ends: 538 [2024-11-19 03:23:16,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:23:16,796 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:16,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1228 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:23:16,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-19 03:23:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-19 03:23:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 425 states have (on average 1.3505882352941176) internal successors, (574), 430 states have internal predecessors, (574), 79 states have call successors, (79), 34 states have call predecessors, (79), 33 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 03:23:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 731 transitions. [2024-11-19 03:23:16,818 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 731 transitions. Word has length 219 [2024-11-19 03:23:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:16,821 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 731 transitions. [2024-11-19 03:23:16,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 03:23:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 731 transitions. [2024-11-19 03:23:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-19 03:23:16,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:16,826 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 03:23:16,856 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 03:23:17,026 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,SelfDestructingSolverStorable8 [2024-11-19 03:23:17,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:17,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:17,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1233168828, now seen corresponding path program 1 times [2024-11-19 03:23:17,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:17,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413953688] [2024-11-19 03:23:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 03:23:18,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:18,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413953688] [2024-11-19 03:23:18,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413953688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:18,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115779554] [2024-11-19 03:23:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:18,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:18,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:18,593 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 03:23:18,595 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 03:23:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:21,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 3055 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:23:21,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:23:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-19 03:23:21,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:23:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 03:23:23,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115779554] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:23:23,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:23:23,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 03:23:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428177131] [2024-11-19 03:23:23,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:23:23,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 03:23:23,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 03:23:23,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:23:23,234 INFO L87 Difference]: Start difference. First operand 538 states and 731 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 5 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-19 03:23:23,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:23,881 INFO L93 Difference]: Finished difference Result 1112 states and 1525 transitions. [2024-11-19 03:23:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:23:23,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 5 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 240 [2024-11-19 03:23:23,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:23,886 INFO L225 Difference]: With dead ends: 1112 [2024-11-19 03:23:23,887 INFO L226 Difference]: Without dead ends: 577 [2024-11-19 03:23:23,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:23:23,890 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 20 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2466 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:23,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2466 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 03:23:23,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-19 03:23:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-19 03:23:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 458 states have (on average 1.3471615720524017) internal successors, (617), 465 states have internal predecessors, (617), 85 states have call successors, (85), 34 states have call predecessors, (85), 33 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-19 03:23:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 786 transitions. [2024-11-19 03:23:23,913 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 786 transitions. Word has length 240 [2024-11-19 03:23:23,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:23,914 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 786 transitions. [2024-11-19 03:23:23,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 5 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-19 03:23:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 786 transitions. [2024-11-19 03:23:23,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-19 03:23:23,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:23,919 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-19 03:23:23,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 03:23:24,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:24,121 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:24,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:24,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1371166784, now seen corresponding path program 1 times [2024-11-19 03:23:24,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:24,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195635398] [2024-11-19 03:23:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 03:23:26,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195635398] [2024-11-19 03:23:26,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195635398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:26,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981530176] [2024-11-19 03:23:26,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:26,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:26,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:26,236 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 03:23:26,238 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 03:23:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:28,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 03:23:28,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:23:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-19 03:23:28,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:23:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-19 03:23:30,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981530176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:23:30,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:23:30,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-19 03:23:30,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802093671] [2024-11-19 03:23:30,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:23:30,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 03:23:30,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:30,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 03:23:30,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:23:30,817 INFO L87 Difference]: Start difference. First operand 577 states and 786 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:23:31,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:31,305 INFO L93 Difference]: Finished difference Result 1165 states and 1596 transitions. [2024-11-19 03:23:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:23:31,306 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 249 [2024-11-19 03:23:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:31,311 INFO L225 Difference]: With dead ends: 1165 [2024-11-19 03:23:31,311 INFO L226 Difference]: Without dead ends: 591 [2024-11-19 03:23:31,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 493 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:23:31,316 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 32 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:31,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1242 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 03:23:31,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-19 03:23:31,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2024-11-19 03:23:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 470 states have (on average 1.3468085106382979) internal successors, (633), 478 states have internal predecessors, (633), 87 states have call successors, (87), 34 states have call predecessors, (87), 33 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 03:23:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 806 transitions. [2024-11-19 03:23:31,341 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 806 transitions. Word has length 249 [2024-11-19 03:23:31,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:31,342 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 806 transitions. [2024-11-19 03:23:31,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 03:23:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 806 transitions. [2024-11-19 03:23:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-19 03:23:31,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:31,347 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 03:23:31,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 03:23:31,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:31,549 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:31,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:31,549 INFO L85 PathProgramCache]: Analyzing trace with hash 83328647, now seen corresponding path program 2 times [2024-11-19 03:23:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:31,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702666511] [2024-11-19 03:23:31,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:23:31,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:32,674 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 03:23:32,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 03:23:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-19 03:23:33,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:33,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702666511] [2024-11-19 03:23:33,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702666511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:33,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:23:33,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:23:33,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124116980] [2024-11-19 03:23:33,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:33,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:23:33,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:33,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:23:33,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:23:33,058 INFO L87 Difference]: Start difference. First operand 591 states and 806 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 03:23:33,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:33,112 INFO L93 Difference]: Finished difference Result 1181 states and 1614 transitions. [2024-11-19 03:23:33,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:23:33,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 253 [2024-11-19 03:23:33,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:33,117 INFO L225 Difference]: With dead ends: 1181 [2024-11-19 03:23:33,118 INFO L226 Difference]: Without dead ends: 593 [2024-11-19 03:23:33,120 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 03:23:33,121 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 0 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:33,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1232 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:23:33,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-19 03:23:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2024-11-19 03:23:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 472 states have (on average 1.3453389830508475) internal successors, (635), 480 states have internal predecessors, (635), 87 states have call successors, (87), 34 states have call predecessors, (87), 33 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 03:23:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 808 transitions. [2024-11-19 03:23:33,143 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 808 transitions. Word has length 253 [2024-11-19 03:23:33,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:33,143 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 808 transitions. [2024-11-19 03:23:33,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 03:23:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 808 transitions. [2024-11-19 03:23:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-19 03:23:33,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:33,148 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 03:23:33,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:23:33,149 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:33,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:33,149 INFO L85 PathProgramCache]: Analyzing trace with hash -914717381, now seen corresponding path program 1 times [2024-11-19 03:23:33,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:33,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575871895] [2024-11-19 03:23:33,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-19 03:23:34,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:34,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575871895] [2024-11-19 03:23:34,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575871895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:34,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401790167] [2024-11-19 03:23:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:34,937 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 03:23:34,941 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 03:23:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:37,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 3111 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 03:23:37,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:23:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-19 03:23:37,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:23:37,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401790167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:23:37,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:23:37,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-19 03:23:37,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212504509] [2024-11-19 03:23:37,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:23:37,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:23:37,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:23:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:23:37,648 INFO L87 Difference]: Start difference. First operand 593 states and 808 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 03:23:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:37,889 INFO L93 Difference]: Finished difference Result 1185 states and 1621 transitions. [2024-11-19 03:23:37,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:23:37,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 258 [2024-11-19 03:23:37,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:37,899 INFO L225 Difference]: With dead ends: 1185 [2024-11-19 03:23:37,899 INFO L226 Difference]: Without dead ends: 595 [2024-11-19 03:23:37,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:23:37,903 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 18 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:37,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2431 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:23:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-19 03:23:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 593. [2024-11-19 03:23:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 472 states have (on average 1.3411016949152543) internal successors, (633), 480 states have internal predecessors, (633), 87 states have call successors, (87), 34 states have call predecessors, (87), 33 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 03:23:37,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 806 transitions. [2024-11-19 03:23:37,931 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 806 transitions. Word has length 258 [2024-11-19 03:23:37,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:37,932 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 806 transitions. [2024-11-19 03:23:37,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 03:23:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 806 transitions. [2024-11-19 03:23:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-19 03:23:37,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:37,937 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 03:23:37,972 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 03:23:38,137 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,SelfDestructingSolverStorable12 [2024-11-19 03:23:38,138 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:38,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1809378142, now seen corresponding path program 1 times [2024-11-19 03:23:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806411214] [2024-11-19 03:23:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-19 03:23:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806411214] [2024-11-19 03:23:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806411214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141072919] [2024-11-19 03:23:39,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:23:39,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:39,837 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 03:23:39,838 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 03:23:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:23:42,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 3063 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 03:23:42,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:23:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-19 03:23:42,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:23:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-19 03:23:43,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141072919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:23:43,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:23:43,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 03:23:43,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621519715] [2024-11-19 03:23:43,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:23:43,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 03:23:43,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:23:43,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 03:23:43,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:23:43,967 INFO L87 Difference]: Start difference. First operand 593 states and 806 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:23:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:23:44,231 INFO L93 Difference]: Finished difference Result 1189 states and 1620 transitions. [2024-11-19 03:23:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:23:44,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 253 [2024-11-19 03:23:44,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:23:44,236 INFO L225 Difference]: With dead ends: 1189 [2024-11-19 03:23:44,237 INFO L226 Difference]: Without dead ends: 599 [2024-11-19 03:23:44,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:23:44,241 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 0 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:23:44,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1845 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:23:44,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-19 03:23:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-11-19 03:23:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 478 states have (on average 1.3368200836820083) internal successors, (639), 486 states have internal predecessors, (639), 87 states have call successors, (87), 34 states have call predecessors, (87), 33 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-19 03:23:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 812 transitions. [2024-11-19 03:23:44,266 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 812 transitions. Word has length 253 [2024-11-19 03:23:44,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:23:44,267 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 812 transitions. [2024-11-19 03:23:44,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-19 03:23:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 812 transitions. [2024-11-19 03:23:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-19 03:23:44,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:23:44,272 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 03:23:44,315 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 03:23:44,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:44,473 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:23:44,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:23:44,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1060043727, now seen corresponding path program 2 times [2024-11-19 03:23:44,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:23:44,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085692145] [2024-11-19 03:23:44,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:23:44,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:23:45,729 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 03:23:45,730 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 03:23:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-19 03:23:46,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:23:46,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085692145] [2024-11-19 03:23:46,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085692145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:23:46,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586508699] [2024-11-19 03:23:46,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 03:23:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:23:46,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:23:46,985 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 03:23:46,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process