./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-06 06:26:12,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:26:12,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:26:12,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:26:12,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:26:12,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:26:12,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:26:12,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:26:12,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:26:12,244 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:26:12,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:26:12,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:26:12,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:26:12,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:26:12,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:26:12,246 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:26:12,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:26:12,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:26:12,247 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 [2025-02-06 06:26:12,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:26:12,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:26:12,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:26:12,546 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:26:12,546 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:26:12,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2025-02-06 06:26:13,914 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b401f6f01/e8e3028c05ea4a308754ade813d30d66/FLAG4796aa58e [2025-02-06 06:26:14,428 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:26:14,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2025-02-06 06:26:14,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b401f6f01/e8e3028c05ea4a308754ade813d30d66/FLAG4796aa58e [2025-02-06 06:26:14,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b401f6f01/e8e3028c05ea4a308754ade813d30d66 [2025-02-06 06:26:14,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:26:14,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:26:14,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:26:14,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:26:14,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:26:14,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:26:14" (1/1) ... [2025-02-06 06:26:14,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758e891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:14, skipping insertion in model container [2025-02-06 06:26:14,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:26:14" (1/1) ... [2025-02-06 06:26:14,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:26:14,989 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2025-02-06 06:26:14,990 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2025-02-06 06:26:15,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-02-06 06:26:15,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:26:15,513 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:26:15,591 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2025-02-06 06:26:15,591 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2025-02-06 06:26:15,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-02-06 06:26:15,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:26:15,818 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:26:15,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15 WrapperNode [2025-02-06 06:26:15,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:26:15,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:26:15,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:26:15,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:26:15,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:15,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:15,941 INFO L138 Inliner]: procedures = 139, calls = 843, calls flagged for inlining = 60, calls inlined = 49, statements flattened = 1852 [2025-02-06 06:26:15,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:26:15,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:26:15,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:26:15,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:26:15,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:15,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:15,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,092 INFO L175 MemorySlicer]: Split 358 memory accesses to 15 slices as follows [2, 167, 30, 9, 2, 1, 0, 5, 8, 24, 3, 17, 77, 1, 12]. 47 percent of accesses are in the largest equivalence class. The 35 initializations are split as follows [2, 4, 0, 9, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 12]. The 212 writes are split as follows [0, 64, 30, 0, 2, 1, 0, 3, 0, 24, 2, 8, 77, 1, 0]. [2025-02-06 06:26:16,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:26:16,235 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:26:16,235 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:26:16,235 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:26:16,236 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (1/1) ... [2025-02-06 06:26:16,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:26:16,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:26:16,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 06:26:16,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 06:26:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 06:26:16,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 06:26:16,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 06:26:16,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 06:26:16,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 06:26:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-06 06:26:16,299 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2025-02-06 06:26:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-02-06 06:26:16,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-02-06 06:26:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 06:26:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 06:26:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 06:26:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 06:26:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 06:26:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 06:26:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 06:26:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-02-06 06:26:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-02-06 06:26:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-02-06 06:26:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 06:26:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 06:26:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2025-02-06 06:26:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2025-02-06 06:26:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-02-06 06:26:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-02-06 06:26:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2025-02-06 06:26:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2025-02-06 06:26:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-02-06 06:26:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 06:26:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-02-06 06:26:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:26:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 06:26:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-02-06 06:26:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-02-06 06:26:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 06:26:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-02-06 06:26:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2025-02-06 06:26:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 06:26:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 06:26:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-02-06 06:26:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-02-06 06:26:16,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-02-06 06:26:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 06:26:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 06:26:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 06:26:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-02-06 06:26:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-02-06 06:26:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-02-06 06:26:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-02-06 06:26:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2025-02-06 06:26:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2025-02-06 06:26:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-02-06 06:26:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure up [2025-02-06 06:26:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:26:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:26:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 06:26:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 06:26:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 06:26:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 06:26:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2025-02-06 06:26:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-02-06 06:26:16,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:26:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-02-06 06:26:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 06:26:16,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 06:26:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-02-06 06:26:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-02-06 06:26:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-02-06 06:26:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-02-06 06:26:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:26:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:26:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2025-02-06 06:26:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2025-02-06 06:26:16,803 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:26:16,806 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:26:17,194 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 06:26:17,202 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5304: havoc #t~ret401.base, #t~ret401.offset; [2025-02-06 06:26:17,835 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5367: havoc #t~nondet410; [2025-02-06 06:26:17,879 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5283: havoc #t~nondet397; [2025-02-06 06:26:18,711 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4117: call ULTIMATE.dealloc(mimd_to_kioc_~#mimd~1#1.base, mimd_to_kioc_~#mimd~1#1.offset);havoc mimd_to_kioc_~#mimd~1#1.base, mimd_to_kioc_~#mimd~1#1.offset; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3954: havoc #t~mem114#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3988: havoc #t~mem128#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3957: havoc #t~mem116#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4436: havoc lld_ioctl_#t~mem241#1;call ULTIMATE.dealloc(lld_ioctl_~#timer~0#1.base, lld_ioctl_~#timer~0#1.offset);havoc lld_ioctl_~#timer~0#1.base, lld_ioctl_~#timer~0#1.offset;call ULTIMATE.dealloc(lld_ioctl_~#__wait~0#1.base, lld_ioctl_~#__wait~0#1.offset);havoc lld_ioctl_~#__wait~0#1.base, lld_ioctl_~#__wait~0#1.offset; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3578: havoc list_empty_#t~mem8#1.base, list_empty_#t~mem8#1.offset; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5363: havoc prepare_to_wait_event_#t~nondet409#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4009: call ULTIMATE.dealloc(mraid_mm_get_adapter_~#mimd~0#1.base, mraid_mm_get_adapter_~#mimd~0#1.offset);havoc mraid_mm_get_adapter_~#mimd~0#1.base, mraid_mm_get_adapter_~#mimd~0#1.offset; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3993: havoc #t~mem130#1;call ULTIMATE.dealloc(~#signature~0#1.base, ~#signature~0#1.offset);havoc ~#signature~0#1.base, ~#signature~0#1.offset;call ULTIMATE.dealloc(~#rval~0#1.base, ~#rval~0#1.offset);havoc ~#rval~0#1.base, ~#rval~0#1.offset;call ULTIMATE.dealloc(~#drvrcmd_rval~0#1.base, ~#drvrcmd_rval~0#1.offset);havoc ~#drvrcmd_rval~0#1.base, ~#drvrcmd_rval~0#1.offset; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4060: call ULTIMATE.dealloc(handle_drvrcmd_~#kmimd~0#1.base, handle_drvrcmd_~#kmimd~0#1.offset);havoc handle_drvrcmd_~#kmimd~0#1.base, handle_drvrcmd_~#kmimd~0#1.offset; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3978: havoc #t~mem124#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3963: havoc #t~mem118#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5301: havoc del_timer_sync_#t~nondet400#1; [2025-02-06 06:26:18,712 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4510: call ULTIMATE.dealloc(kioc_to_mimd_~#kmimd~1#1.base, kioc_to_mimd_~#kmimd~1#1.offset);havoc kioc_to_mimd_~#kmimd~1#1.base, kioc_to_mimd_~#kmimd~1#1.offset;call ULTIMATE.dealloc(kioc_to_mimd_~#cinfo~0#1.base, kioc_to_mimd_~#cinfo~0#1.offset);havoc kioc_to_mimd_~#cinfo~0#1.base, kioc_to_mimd_~#cinfo~0#1.offset; [2025-02-06 06:26:18,730 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5287: havoc #t~nondet398; [2025-02-06 06:26:23,113 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5345: havoc misc_deregister_#t~nondet406#1; [2025-02-06 06:26:23,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5297: havoc capable_#t~nondet399#1; [2025-02-06 06:26:23,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5332: havoc ldv_release_2_#t~nondet404#1; [2025-02-06 06:26:23,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5349: havoc misc_register_#t~nondet407#1; [2025-02-06 06:26:23,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5359: havoc noop_llseek_#t~nondet408#1; [2025-02-06 06:26:23,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4872: call ULTIMATE.dealloc(mraid_mm_init_~#__key~3#1.base, mraid_mm_init_~#__key~3#1.offset);havoc mraid_mm_init_~#__key~3#1.base, mraid_mm_init_~#__key~3#1.offset; [2025-02-06 06:26:23,400 INFO L? ?]: Removed 819 outVars from TransFormulas that were not future-live. [2025-02-06 06:26:23,400 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:26:23,443 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:26:23,448 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:26:23,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:26:23 BoogieIcfgContainer [2025-02-06 06:26:23,448 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:26:23,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:26:23,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:26:23,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:26:23,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:26:14" (1/3) ... [2025-02-06 06:26:23,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7dde9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:26:23, skipping insertion in model container [2025-02-06 06:26:23,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:26:15" (2/3) ... [2025-02-06 06:26:23,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7dde9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:26:23, skipping insertion in model container [2025-02-06 06:26:23,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:26:23" (3/3) ... [2025-02-06 06:26:23,460 INFO L128 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 [2025-02-06 06:26:23,475 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:26:23,481 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i that has 57 procedures, 594 locations, 1 initial locations, 46 loop locations, and 1 error locations. [2025-02-06 06:26:23,549 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:26:23,563 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;@7a1183b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:26:23,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:26:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 473 states, 364 states have (on average 1.401098901098901) internal successors, (510), 374 states have internal predecessors, (510), 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) [2025-02-06 06:26:23,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-06 06:26:23,598 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:23,598 INFO L218 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, 1, 1, 1] [2025-02-06 06:26:23,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:23,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash -942046604, now seen corresponding path program 1 times [2025-02-06 06:26:23,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:23,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755104962] [2025-02-06 06:26:23,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:25,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 06:26:25,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 06:26:25,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:25,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-02-06 06:26:26,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:26,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755104962] [2025-02-06 06:26:26,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755104962] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:26,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:26,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:26:26,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052007429] [2025-02-06 06:26:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:26,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:26,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:26,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:26,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:26:26,077 INFO L87 Difference]: Start difference. First operand has 473 states, 364 states have (on average 1.401098901098901) internal successors, (510), 374 states have internal predecessors, (510), 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 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-02-06 06:26:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:26,613 INFO L93 Difference]: Finished difference Result 988 states and 1392 transitions. [2025-02-06 06:26:26,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:26,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 138 [2025-02-06 06:26:26,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:26,629 INFO L225 Difference]: With dead ends: 988 [2025-02-06 06:26:26,629 INFO L226 Difference]: Without dead ends: 485 [2025-02-06 06:26:26,637 INFO L434 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 [2025-02-06 06:26:26,639 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 58 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:26,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1265 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 06:26:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-02-06 06:26:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 482. [2025-02-06 06:26:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 376 states have (on average 1.3696808510638299) internal successors, (515), 380 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) [2025-02-06 06:26:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 666 transitions. [2025-02-06 06:26:26,736 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 666 transitions. Word has length 138 [2025-02-06 06:26:26,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:26,738 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 666 transitions. [2025-02-06 06:26:26,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2025-02-06 06:26:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 666 transitions. [2025-02-06 06:26:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-06 06:26:26,748 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:26,748 INFO L218 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, 1, 1, 1] [2025-02-06 06:26:26,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 06:26:26,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:26,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1090288647, now seen corresponding path program 1 times [2025-02-06 06:26:26,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:26,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174280227] [2025-02-06 06:26:26,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:26,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:27,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-06 06:26:27,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-06 06:26:27,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:27,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-02-06 06:26:28,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:28,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174280227] [2025-02-06 06:26:28,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174280227] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:28,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:28,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:26:28,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523777292] [2025-02-06 06:26:28,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:28,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:28,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:28,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:28,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:26:28,616 INFO L87 Difference]: Start difference. First operand 482 states and 666 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2025-02-06 06:26:28,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:28,850 INFO L93 Difference]: Finished difference Result 961 states and 1331 transitions. [2025-02-06 06:26:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:28,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 165 [2025-02-06 06:26:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:28,859 INFO L225 Difference]: With dead ends: 961 [2025-02-06 06:26:28,859 INFO L226 Difference]: Without dead ends: 482 [2025-02-06 06:26:28,863 INFO L434 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 [2025-02-06 06:26:28,863 INFO L435 NwaCegarLoop]: 607 mSDtfsCounter, 611 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:28,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 607 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:26:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-02-06 06:26:28,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2025-02-06 06:26:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 376 states have (on average 1.3457446808510638) internal successors, (506), 380 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) [2025-02-06 06:26:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 657 transitions. [2025-02-06 06:26:28,910 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 657 transitions. Word has length 165 [2025-02-06 06:26:28,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:28,911 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 657 transitions. [2025-02-06 06:26:28,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2025-02-06 06:26:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 657 transitions. [2025-02-06 06:26:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-02-06 06:26:28,919 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:28,919 INFO L218 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:26:28,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:26:28,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:28,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:28,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1343686772, now seen corresponding path program 1 times [2025-02-06 06:26:28,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:28,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997655797] [2025-02-06 06:26:28,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:30,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-02-06 06:26:30,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-02-06 06:26:30,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:30,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-06 06:26:30,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:30,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997655797] [2025-02-06 06:26:30,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997655797] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:30,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:30,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:26:30,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117927143] [2025-02-06 06:26:30,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:30,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:30,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:30,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:30,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:26:30,670 INFO L87 Difference]: Start difference. First operand 482 states and 657 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2025-02-06 06:26:34,706 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 [] [2025-02-06 06:26:35,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:35,414 INFO L93 Difference]: Finished difference Result 984 states and 1343 transitions. [2025-02-06 06:26:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:35,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 183 [2025-02-06 06:26:35,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:35,420 INFO L225 Difference]: With dead ends: 984 [2025-02-06 06:26:35,420 INFO L226 Difference]: Without dead ends: 534 [2025-02-06 06:26:35,423 INFO L434 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 [2025-02-06 06:26:35,424 INFO L435 NwaCegarLoop]: 647 mSDtfsCounter, 78 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:35,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1204 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-02-06 06:26:35,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2025-02-06 06:26:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 531. [2025-02-06 06:26:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 418 states have (on average 1.3397129186602872) internal successors, (560), 423 states have internal predecessors, (560), 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) [2025-02-06 06:26:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 717 transitions. [2025-02-06 06:26:35,453 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 717 transitions. Word has length 183 [2025-02-06 06:26:35,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:35,453 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 717 transitions. [2025-02-06 06:26:35,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2025-02-06 06:26:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 717 transitions. [2025-02-06 06:26:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 06:26:35,459 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:35,459 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:26:35,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:26:35,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:35,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:35,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1682981744, now seen corresponding path program 1 times [2025-02-06 06:26:35,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:35,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038506659] [2025-02-06 06:26:35,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:35,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:36,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 06:26:36,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 06:26:36,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:36,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-06 06:26:36,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:36,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038506659] [2025-02-06 06:26:36,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038506659] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:36,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:36,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:26:36,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476529499] [2025-02-06 06:26:36,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:36,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:36,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:36,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:26:36,991 INFO L87 Difference]: Start difference. First operand 531 states and 717 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2025-02-06 06:26:37,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:37,255 INFO L93 Difference]: Finished difference Result 1031 states and 1397 transitions. [2025-02-06 06:26:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:37,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 193 [2025-02-06 06:26:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:37,259 INFO L225 Difference]: With dead ends: 1031 [2025-02-06 06:26:37,259 INFO L226 Difference]: Without dead ends: 532 [2025-02-06 06:26:37,261 INFO L434 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 [2025-02-06 06:26:37,262 INFO L435 NwaCegarLoop]: 613 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:37,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1221 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:26:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2025-02-06 06:26:37,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2025-02-06 06:26:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 419 states have (on average 1.3389021479713603) internal successors, (561), 424 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) [2025-02-06 06:26:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 718 transitions. [2025-02-06 06:26:37,291 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 718 transitions. Word has length 193 [2025-02-06 06:26:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:37,291 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 718 transitions. [2025-02-06 06:26:37,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2025-02-06 06:26:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 718 transitions. [2025-02-06 06:26:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 06:26:37,295 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:37,295 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:26:37,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 06:26:37,296 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:37,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:37,296 INFO L85 PathProgramCache]: Analyzing trace with hash -770481128, now seen corresponding path program 1 times [2025-02-06 06:26:37,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:37,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492624033] [2025-02-06 06:26:37,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:37,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:38,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 06:26:38,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 06:26:38,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:38,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-06 06:26:38,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:38,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492624033] [2025-02-06 06:26:38,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492624033] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:38,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:38,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:26:38,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117690864] [2025-02-06 06:26:38,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:38,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:38,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:38,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:38,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:26:38,851 INFO L87 Difference]: Start difference. First operand 532 states and 718 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, (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) [2025-02-06 06:26:39,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:39,182 INFO L93 Difference]: Finished difference Result 1041 states and 1417 transitions. [2025-02-06 06:26:39,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:39,183 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, (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 193 [2025-02-06 06:26:39,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:39,190 INFO L225 Difference]: With dead ends: 1041 [2025-02-06 06:26:39,190 INFO L226 Difference]: Without dead ends: 541 [2025-02-06 06:26:39,192 INFO L434 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 [2025-02-06 06:26:39,193 INFO L435 NwaCegarLoop]: 609 mSDtfsCounter, 8 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:39,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1216 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:26:39,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2025-02-06 06:26:39,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 533. [2025-02-06 06:26:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 420 states have (on average 1.338095238095238) internal successors, (562), 425 states have internal predecessors, (562), 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) [2025-02-06 06:26:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 719 transitions. [2025-02-06 06:26:39,228 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 719 transitions. Word has length 193 [2025-02-06 06:26:39,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:39,229 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 719 transitions. [2025-02-06 06:26:39,229 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, (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) [2025-02-06 06:26:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 719 transitions. [2025-02-06 06:26:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-06 06:26:39,233 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:39,233 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:26:39,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 06:26:39,234 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:39,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:39,234 INFO L85 PathProgramCache]: Analyzing trace with hash 877270100, now seen corresponding path program 1 times [2025-02-06 06:26:39,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:39,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027919586] [2025-02-06 06:26:39,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:40,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 06:26:40,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 06:26:40,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:40,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-02-06 06:26:41,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:41,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027919586] [2025-02-06 06:26:41,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027919586] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:41,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:41,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 06:26:41,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355772459] [2025-02-06 06:26:41,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:41,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:26:41,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:41,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:26:41,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:26:41,600 INFO L87 Difference]: Start difference. First operand 533 states and 719 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, (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) [2025-02-06 06:26:42,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:42,056 INFO L93 Difference]: Finished difference Result 1036 states and 1404 transitions. [2025-02-06 06:26:42,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:26:42,057 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, (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 197 [2025-02-06 06:26:42,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:42,063 INFO L225 Difference]: With dead ends: 1036 [2025-02-06 06:26:42,064 INFO L226 Difference]: Without dead ends: 535 [2025-02-06 06:26:42,066 INFO L434 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 [2025-02-06 06:26:42,067 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:42,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1825 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 06:26:42,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-02-06 06:26:42,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2025-02-06 06:26:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 422 states have (on average 1.3364928909952607) internal successors, (564), 427 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) [2025-02-06 06:26:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 721 transitions. [2025-02-06 06:26:42,093 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 721 transitions. Word has length 197 [2025-02-06 06:26:42,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:42,094 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 721 transitions. [2025-02-06 06:26:42,094 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, (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) [2025-02-06 06:26:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 721 transitions. [2025-02-06 06:26:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2025-02-06 06:26:42,098 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:42,098 INFO L218 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] [2025-02-06 06:26:42,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 06:26:42,099 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:42,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:42,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1448895534, now seen corresponding path program 1 times [2025-02-06 06:26:42,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:42,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637767346] [2025-02-06 06:26:42,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:43,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-02-06 06:26:43,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-02-06 06:26:43,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:43,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2025-02-06 06:26:43,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:43,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637767346] [2025-02-06 06:26:43,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637767346] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:43,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:26:43,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 06:26:43,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832522650] [2025-02-06 06:26:43,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:43,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:26:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:43,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:26:43,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:26:43,927 INFO L87 Difference]: Start difference. First operand 535 states and 721 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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) [2025-02-06 06:26:44,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:44,295 INFO L93 Difference]: Finished difference Result 1040 states and 1408 transitions. [2025-02-06 06:26:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:26:44,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 219 [2025-02-06 06:26:44,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:44,299 INFO L225 Difference]: With dead ends: 1040 [2025-02-06 06:26:44,299 INFO L226 Difference]: Without dead ends: 537 [2025-02-06 06:26:44,301 INFO L434 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 [2025-02-06 06:26:44,302 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:44,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1825 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:26:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-02-06 06:26:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 535. [2025-02-06 06:26:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 422 states have (on average 1.3364928909952607) internal successors, (564), 427 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) [2025-02-06 06:26:44,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 721 transitions. [2025-02-06 06:26:44,325 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 721 transitions. Word has length 219 [2025-02-06 06:26:44,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:44,326 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 721 transitions. [2025-02-06 06:26:44,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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) [2025-02-06 06:26:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 721 transitions. [2025-02-06 06:26:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2025-02-06 06:26:44,329 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:44,329 INFO L218 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, 1, 1, 1] [2025-02-06 06:26:44,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 06:26:44,330 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:44,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:44,330 INFO L85 PathProgramCache]: Analyzing trace with hash -2073724065, now seen corresponding path program 1 times [2025-02-06 06:26:44,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:44,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760054642] [2025-02-06 06:26:44,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:44,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:45,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-02-06 06:26:45,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-02-06 06:26:45,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:45,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2025-02-06 06:26:45,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:45,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760054642] [2025-02-06 06:26:45,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760054642] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:26:45,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053774610] [2025-02-06 06:26:45,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:26:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:26:45,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:26:45,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 06:26:47,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 224 statements into 1 equivalence classes. [2025-02-06 06:26:47,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 224 of 224 statements. [2025-02-06 06:26:47,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:47,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:47,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 2951 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-06 06:26:47,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:26:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-02-06 06:26:47,824 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 06:26:47,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053774610] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:47,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 06:26:47,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-02-06 06:26:47,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343163487] [2025-02-06 06:26:47,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:47,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:47,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:47,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:26:47,826 INFO L87 Difference]: Start difference. First operand 535 states and 721 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2025-02-06 06:26:48,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:48,074 INFO L93 Difference]: Finished difference Result 539 states and 725 transitions. [2025-02-06 06:26:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:48,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 224 [2025-02-06 06:26:48,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:48,079 INFO L225 Difference]: With dead ends: 539 [2025-02-06 06:26:48,081 INFO L226 Difference]: Without dead ends: 536 [2025-02-06 06:26:48,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:26:48,083 INFO L435 NwaCegarLoop]: 613 mSDtfsCounter, 0 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:48,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1221 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:26:48,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-02-06 06:26:48,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2025-02-06 06:26:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 423 states have (on average 1.3356973995271868) internal successors, (565), 428 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) [2025-02-06 06:26:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 722 transitions. [2025-02-06 06:26:48,107 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 722 transitions. Word has length 224 [2025-02-06 06:26:48,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:48,107 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 722 transitions. [2025-02-06 06:26:48,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2025-02-06 06:26:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 722 transitions. [2025-02-06 06:26:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2025-02-06 06:26:48,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:48,114 INFO L218 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, 1, 1, 1] [2025-02-06 06:26:48,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 06:26:48,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:26:48,315 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:48,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:48,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1392671497, now seen corresponding path program 1 times [2025-02-06 06:26:48,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:48,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145617369] [2025-02-06 06:26:48,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:48,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:49,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-02-06 06:26:49,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-02-06 06:26:49,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:49,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-02-06 06:26:49,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:49,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145617369] [2025-02-06 06:26:49,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145617369] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:26:49,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637442865] [2025-02-06 06:26:49,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:49,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:26:49,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:26:49,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:26:49,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 06:26:51,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-02-06 06:26:51,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-02-06 06:26:51,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:51,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:51,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 2956 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 06:26:51,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:26:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2025-02-06 06:26:51,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 06:26:51,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637442865] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:26:51,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 06:26:51,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-02-06 06:26:51,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798612534] [2025-02-06 06:26:51,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:26:51,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:26:51,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:51,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:26:51,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:26:51,903 INFO L87 Difference]: Start difference. First operand 536 states and 722 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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) [2025-02-06 06:26:52,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:52,151 INFO L93 Difference]: Finished difference Result 1046 states and 1420 transitions. [2025-02-06 06:26:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:26:52,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 222 [2025-02-06 06:26:52,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:52,157 INFO L225 Difference]: With dead ends: 1046 [2025-02-06 06:26:52,157 INFO L226 Difference]: Without dead ends: 542 [2025-02-06 06:26:52,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 06:26:52,164 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 1 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:52,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1220 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:26:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-02-06 06:26:52,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2025-02-06 06:26:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 429 states have (on average 1.3356643356643356) internal successors, (573), 434 states have internal predecessors, (573), 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) [2025-02-06 06:26:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 730 transitions. [2025-02-06 06:26:52,185 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 730 transitions. Word has length 222 [2025-02-06 06:26:52,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:52,185 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 730 transitions. [2025-02-06 06:26:52,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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) [2025-02-06 06:26:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 730 transitions. [2025-02-06 06:26:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2025-02-06 06:26:52,189 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:52,190 INFO L218 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] [2025-02-06 06:26:52,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 06:26:52,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:26:52,391 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:52,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:52,391 INFO L85 PathProgramCache]: Analyzing trace with hash 233373784, now seen corresponding path program 1 times [2025-02-06 06:26:52,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:52,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502671131] [2025-02-06 06:26:52,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:53,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 240 statements into 1 equivalence classes. [2025-02-06 06:26:53,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 240 of 240 statements. [2025-02-06 06:26:53,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:53,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 06:26:53,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:26:53,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502671131] [2025-02-06 06:26:53,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502671131] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:26:53,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803803847] [2025-02-06 06:26:53,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:53,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:26:53,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:26:53,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:26:53,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 06:26:55,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 240 statements into 1 equivalence classes. [2025-02-06 06:26:55,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 240 of 240 statements. [2025-02-06 06:26:55,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:26:55,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:26:55,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 06:26:55,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:26:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2025-02-06 06:26:56,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 06:26:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 06:26:57,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803803847] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 06:26:57,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 06:26:57,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 06:26:57,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939720515] [2025-02-06 06:26:57,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 06:26:57,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 06:26:57,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:26:57,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 06:26:57,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:26:57,782 INFO L87 Difference]: Start difference. First operand 542 states and 730 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) [2025-02-06 06:26:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:26:58,714 INFO L93 Difference]: Finished difference Result 1091 states and 1487 transitions. [2025-02-06 06:26:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 06:26:58,715 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 [2025-02-06 06:26:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:26:58,720 INFO L225 Difference]: With dead ends: 1091 [2025-02-06 06:26:58,720 INFO L226 Difference]: Without dead ends: 581 [2025-02-06 06:26:58,723 INFO L434 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 [2025-02-06 06:26:58,724 INFO L435 NwaCegarLoop]: 619 mSDtfsCounter, 19 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 06:26:58,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3051 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 06:26:58,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-02-06 06:26:58,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2025-02-06 06:26:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 462 states have (on average 1.3333333333333333) internal successors, (616), 469 states have internal predecessors, (616), 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) [2025-02-06 06:26:58,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 785 transitions. [2025-02-06 06:26:58,747 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 785 transitions. Word has length 240 [2025-02-06 06:26:58,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:26:58,749 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 785 transitions. [2025-02-06 06:26:58,750 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) [2025-02-06 06:26:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 785 transitions. [2025-02-06 06:26:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-02-06 06:26:58,754 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:26:58,754 INFO L218 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, 1, 1, 1] [2025-02-06 06:26:58,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 06:26:58,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:26:58,956 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:26:58,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:26:58,957 INFO L85 PathProgramCache]: Analyzing trace with hash 578944140, now seen corresponding path program 1 times [2025-02-06 06:26:58,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:26:58,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434539917] [2025-02-06 06:26:58,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:26:58,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:26:59,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-02-06 06:27:00,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 06:27:00,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:00,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 06:27:01,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:27:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434539917] [2025-02-06 06:27:01,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434539917] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:27:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10065918] [2025-02-06 06:27:01,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:01,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:27:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:27:01,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:27:01,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 06:27:02,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-02-06 06:27:03,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 06:27:03,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:03,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:03,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 3048 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 06:27:03,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:27:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2025-02-06 06:27:03,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 06:27:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 06:27:05,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10065918] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 06:27:05,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 06:27:05,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2025-02-06 06:27:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161861617] [2025-02-06 06:27:05,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 06:27:05,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 06:27:05,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:27:05,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 06:27:05,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 06:27:05,453 INFO L87 Difference]: Start difference. First operand 581 states and 785 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 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) [2025-02-06 06:27:06,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:27:06,219 INFO L93 Difference]: Finished difference Result 1144 states and 1558 transitions. [2025-02-06 06:27:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 06:27:06,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 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 252 [2025-02-06 06:27:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:27:06,225 INFO L225 Difference]: With dead ends: 1144 [2025-02-06 06:27:06,225 INFO L226 Difference]: Without dead ends: 595 [2025-02-06 06:27:06,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 499 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 06:27:06,228 INFO L435 NwaCegarLoop]: 615 mSDtfsCounter, 28 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2446 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 06:27:06,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2446 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 06:27:06,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2025-02-06 06:27:06,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2025-02-06 06:27:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 474 states have (on average 1.3333333333333333) internal successors, (632), 482 states have internal predecessors, (632), 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) [2025-02-06 06:27:06,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 805 transitions. [2025-02-06 06:27:06,249 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 805 transitions. Word has length 252 [2025-02-06 06:27:06,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:27:06,250 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 805 transitions. [2025-02-06 06:27:06,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 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) [2025-02-06 06:27:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 805 transitions. [2025-02-06 06:27:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 06:27:06,254 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:27:06,254 INFO L218 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, 1, 1, 1] [2025-02-06 06:27:06,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 06:27:06,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-06 06:27:06,455 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:27:06,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:27:06,456 INFO L85 PathProgramCache]: Analyzing trace with hash 9666376, now seen corresponding path program 2 times [2025-02-06 06:27:06,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:27:06,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800704206] [2025-02-06 06:27:06,457 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 06:27:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:27:07,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 256 statements into 2 equivalence classes. [2025-02-06 06:27:07,373 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 65 of 256 statements. [2025-02-06 06:27:07,374 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 06:27:07,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-02-06 06:27:07,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:27:07,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800704206] [2025-02-06 06:27:07,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800704206] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:27:07,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:27:07,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:27:07,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818226898] [2025-02-06 06:27:07,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:27:07,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:27:07,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:27:07,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:27:07,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:27:07,689 INFO L87 Difference]: Start difference. First operand 595 states and 805 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (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) [2025-02-06 06:27:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:27:07,897 INFO L93 Difference]: Finished difference Result 1160 states and 1576 transitions. [2025-02-06 06:27:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:27:07,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (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 256 [2025-02-06 06:27:07,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:27:07,902 INFO L225 Difference]: With dead ends: 1160 [2025-02-06 06:27:07,903 INFO L226 Difference]: Without dead ends: 597 [2025-02-06 06:27:07,905 INFO L434 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 [2025-02-06 06:27:07,907 INFO L435 NwaCegarLoop]: 613 mSDtfsCounter, 0 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:27:07,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1224 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:27:07,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-02-06 06:27:07,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2025-02-06 06:27:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 476 states have (on average 1.3319327731092436) internal successors, (634), 484 states have internal predecessors, (634), 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) [2025-02-06 06:27:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 807 transitions. [2025-02-06 06:27:07,930 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 807 transitions. Word has length 256 [2025-02-06 06:27:07,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:27:07,932 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 807 transitions. [2025-02-06 06:27:07,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (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) [2025-02-06 06:27:07,933 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 807 transitions. [2025-02-06 06:27:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-02-06 06:27:07,936 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:27:07,936 INFO L218 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, 1] [2025-02-06 06:27:07,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 06:27:07,937 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:27:07,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:27:07,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1748214903, now seen corresponding path program 1 times [2025-02-06 06:27:07,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:27:07,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751519617] [2025-02-06 06:27:07,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:07,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:27:08,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-02-06 06:27:09,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-02-06 06:27:09,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:09,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-06 06:27:09,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:27:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751519617] [2025-02-06 06:27:09,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751519617] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:27:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288947891] [2025-02-06 06:27:09,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:09,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:27:09,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:27:09,528 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:27:09,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 06:27:11,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 254 statements into 1 equivalence classes. [2025-02-06 06:27:11,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 254 of 254 statements. [2025-02-06 06:27:11,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:11,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:11,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 3055 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 06:27:11,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:27:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-02-06 06:27:11,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 06:27:11,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288947891] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:27:11,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 06:27:11,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2025-02-06 06:27:11,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14625911] [2025-02-06 06:27:11,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:27:11,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 06:27:11,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:27:11,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 06:27:11,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:27:11,960 INFO L87 Difference]: Start difference. First operand 597 states and 807 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2025-02-06 06:27:12,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:27:12,347 INFO L93 Difference]: Finished difference Result 1164 states and 1583 transitions. [2025-02-06 06:27:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 06:27:12,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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 254 [2025-02-06 06:27:12,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:27:12,353 INFO L225 Difference]: With dead ends: 1164 [2025-02-06 06:27:12,353 INFO L226 Difference]: Without dead ends: 599 [2025-02-06 06:27:12,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 06:27:12,357 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 18 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:27:12,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2419 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:27:12,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2025-02-06 06:27:12,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 597. [2025-02-06 06:27:12,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 476 states have (on average 1.3277310924369747) internal successors, (632), 484 states have internal predecessors, (632), 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) [2025-02-06 06:27:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 805 transitions. [2025-02-06 06:27:12,385 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 805 transitions. Word has length 254 [2025-02-06 06:27:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:27:12,385 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 805 transitions. [2025-02-06 06:27:12,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 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) [2025-02-06 06:27:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 805 transitions. [2025-02-06 06:27:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-02-06 06:27:12,428 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:27:12,428 INFO L218 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, 1, 1, 1, 1, 1, 1] [2025-02-06 06:27:12,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 06:27:12,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 06:27:12,630 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:27:12,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:27:12,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1449467590, now seen corresponding path program 1 times [2025-02-06 06:27:12,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:27:12,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718061412] [2025-02-06 06:27:12,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:12,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:27:13,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-02-06 06:27:13,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-02-06 06:27:13,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:13,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-06 06:27:14,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:27:14,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718061412] [2025-02-06 06:27:14,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718061412] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:27:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088409954] [2025-02-06 06:27:14,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:14,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:27:14,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:27:14,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:27:14,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 06:27:16,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-02-06 06:27:17,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-02-06 06:27:17,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:17,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:17,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 06:27:17,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:27:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2025-02-06 06:27:17,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 06:27:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-06 06:27:18,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088409954] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 06:27:18,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 06:27:18,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 06:27:18,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457296744] [2025-02-06 06:27:18,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 06:27:18,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 06:27:18,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:27:18,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 06:27:18,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-06 06:27:18,694 INFO L87 Difference]: Start difference. First operand 597 states and 805 transitions. Second operand has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 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) [2025-02-06 06:27:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:27:19,075 INFO L93 Difference]: Finished difference Result 1168 states and 1582 transitions. [2025-02-06 06:27:19,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 06:27:19,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 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 259 [2025-02-06 06:27:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:27:19,079 INFO L225 Difference]: With dead ends: 1168 [2025-02-06 06:27:19,079 INFO L226 Difference]: Without dead ends: 603 [2025-02-06 06:27:19,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2025-02-06 06:27:19,081 INFO L435 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:27:19,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1833 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:27:19,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2025-02-06 06:27:19,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2025-02-06 06:27:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 482 states have (on average 1.3236514522821576) internal successors, (638), 490 states have internal predecessors, (638), 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) [2025-02-06 06:27:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 811 transitions. [2025-02-06 06:27:19,102 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 811 transitions. Word has length 259 [2025-02-06 06:27:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:27:19,103 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 811 transitions. [2025-02-06 06:27:19,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 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) [2025-02-06 06:27:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 811 transitions. [2025-02-06 06:27:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-02-06 06:27:19,108 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:27:19,108 INFO L218 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, 1, 1, 1] [2025-02-06 06:27:19,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 06:27:19,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 06:27:19,309 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:27:19,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:27:19,310 INFO L85 PathProgramCache]: Analyzing trace with hash -234013172, now seen corresponding path program 1 times [2025-02-06 06:27:19,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:27:19,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181716515] [2025-02-06 06:27:19,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:19,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:27:20,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-02-06 06:27:20,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-02-06 06:27:20,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:20,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-06 06:27:21,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:27:21,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181716515] [2025-02-06 06:27:21,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181716515] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:27:21,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057575331] [2025-02-06 06:27:21,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:21,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:27:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:27:21,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:27:21,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 06:27:23,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-02-06 06:27:23,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-02-06 06:27:23,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:23,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:23,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 3122 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 06:27:23,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:27:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-02-06 06:27:24,083 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 06:27:24,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057575331] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:27:24,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 06:27:24,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2025-02-06 06:27:24,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162097749] [2025-02-06 06:27:24,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:27:24,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:27:24,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:27:24,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:27:24,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-06 06:27:24,086 INFO L87 Difference]: Start difference. First operand 603 states and 811 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 06:27:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:27:24,435 INFO L93 Difference]: Finished difference Result 1176 states and 1588 transitions. [2025-02-06 06:27:24,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:27:24,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 262 [2025-02-06 06:27:24,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:27:24,440 INFO L225 Difference]: With dead ends: 1176 [2025-02-06 06:27:24,441 INFO L226 Difference]: Without dead ends: 605 [2025-02-06 06:27:24,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-06 06:27:24,445 INFO L435 NwaCegarLoop]: 610 mSDtfsCounter, 0 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:27:24,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1819 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:27:24,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-02-06 06:27:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2025-02-06 06:27:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 484 states have (on average 1.322314049586777) internal successors, (640), 492 states have internal predecessors, (640), 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) [2025-02-06 06:27:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 813 transitions. [2025-02-06 06:27:24,462 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 813 transitions. Word has length 262 [2025-02-06 06:27:24,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:27:24,463 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 813 transitions. [2025-02-06 06:27:24,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 06:27:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 813 transitions. [2025-02-06 06:27:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-02-06 06:27:24,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:27:24,466 INFO L218 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:27:24,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 06:27:24,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:27:24,668 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:27:24,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:27:24,668 INFO L85 PathProgramCache]: Analyzing trace with hash -857859183, now seen corresponding path program 1 times [2025-02-06 06:27:24,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:27:24,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096821900] [2025-02-06 06:27:24,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:24,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:27:25,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-06 06:27:25,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-06 06:27:25,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:27:25,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:27:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-02-06 06:27:26,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:27:26,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096821900] [2025-02-06 06:27:26,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096821900] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:27:26,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360935730] [2025-02-06 06:27:26,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:27:26,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:27:26,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:27:26,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:27:26,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 06:27:28,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes.