./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 86380eb8807c8834472c3c5bc5f358e156df083f7e4b141cf7faa18b94c9fafb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 04:03:22,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:03:22,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:03:22,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:03:22,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:03:22,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:03:22,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:03:22,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:03:22,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:03:22,995 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:03:22,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:03:22,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:03:22,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:03:22,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:03:22,996 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:03:22,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:03:22,997 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:03:22,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:03:22,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:03:22,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:03:22,998 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/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 -> 86380eb8807c8834472c3c5bc5f358e156df083f7e4b141cf7faa18b94c9fafb [2025-03-04 04:03:23,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:03:23,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:03:23,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:03:23,257 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:03:23,257 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:03:23,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-03-04 04:03:24,453 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9847fa2d7/7ad12cfb73dd4c6489af7c17c08d0b68/FLAGf3405fe06 [2025-03-04 04:03:24,901 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:03:24,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-03-04 04:03:24,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9847fa2d7/7ad12cfb73dd4c6489af7c17c08d0b68/FLAGf3405fe06 [2025-03-04 04:03:25,043 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9847fa2d7/7ad12cfb73dd4c6489af7c17c08d0b68 [2025-03-04 04:03:25,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:03:25,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:03:25,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:03:25,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:03:25,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:03:25,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:03:25" (1/1) ... [2025-03-04 04:03:25,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312f2fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:25, skipping insertion in model container [2025-03-04 04:03:25,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:03:25" (1/1) ... [2025-03-04 04:03:25,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:03:25,378 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2025-03-04 04:03:25,378 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2025-03-04 04:03:25,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2025-03-04 04:03:25,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:03:25,816 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:03:25,871 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2025-03-04 04:03:25,871 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2025-03-04 04:03:25,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3152] [2025-03-04 04:03:25,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3160-3161] [2025-03-04 04:03:25,883 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2025-03-04 04:03:25,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:03:26,008 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:03:26,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26 WrapperNode [2025-03-04 04:03:26,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:03:26,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:03:26,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:03:26,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:03:26,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,112 INFO L138 Inliner]: procedures = 113, calls = 1214, calls flagged for inlining = 42, calls inlined = 40, statements flattened = 1963 [2025-03-04 04:03:26,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:03:26,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:03:26,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:03:26,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:03:26,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,206 INFO L175 MemorySlicer]: Split 956 memory accesses to 21 slices as follows [2, 5, 32, 3, 5, 14, 24, 6, 1, 30, 2, 2, 6, 5, 512, 6, 274, 13, 5, 6, 3]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 5, 24, 0, 0, 14, 0, 4, 1, 0, 0, 0, 6, 5, 512, 6, 180, 13, 5, 0, 3]. The 106 writes are split as follows [0, 0, 0, 2, 5, 0, 24, 0, 0, 30, 2, 1, 0, 0, 0, 0, 40, 0, 0, 2, 0]. [2025-03-04 04:03:26,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:03:26,325 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:03:26,325 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:03:26,325 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:03:26,326 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (1/1) ... [2025-03-04 04:03:26,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:03:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:26,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 04:03:26,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 04:03:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-03-04 04:03:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-03-04 04:03:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-03-04 04:03:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-03-04 04:03:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 04:03:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 04:03:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 04:03:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:03:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:03:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-03-04 04:03:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:03:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2025-03-04 04:03:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2025-03-04 04:03:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 04:03:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 04:03:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 04:03:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 04:03:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 04:03:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 04:03:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 04:03:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 04:03:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 04:03:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-04 04:03:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-04 04:03:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-03-04 04:03:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-03-04 04:03:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2025-03-04 04:03:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:03:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 04:03:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-04 04:03:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:03:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-04 04:03:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-04 04:03:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-03-04 04:03:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2025-03-04 04:03:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-03-04 04:03:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2025-03-04 04:03:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2025-03-04 04:03:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2025-03-04 04:03:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-03-04 04:03:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:03:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:03:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2025-03-04 04:03:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 04:03:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 04:03:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-04 04:03:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:03:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-03-04 04:03:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-03-04 04:03:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 04:03:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 04:03:26,779 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:03:26,781 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:03:26,840 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:03:26,880 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3487: havoc #t~mem110; [2025-03-04 04:03:26,971 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3649: call ULTIMATE.dealloc(~#expect~0.base, ~#expect~0.offset);havoc ~#expect~0.base, ~#expect~0.offset;call ULTIMATE.dealloc(~#got~0.base, ~#got~0.offset);havoc ~#got~0.base, ~#got~0.offset; [2025-03-04 04:03:27,233 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: call ULTIMATE.dealloc(~#ms~0.base, ~#ms~0.offset);havoc ~#ms~0.base, ~#ms~0.offset;call ULTIMATE.dealloc(~#mf~0.base, ~#mf~0.offset);havoc ~#mf~0.base, ~#mf~0.offset;call ULTIMATE.dealloc(~#id~0.base, ~#id~0.offset);havoc ~#id~0.base, ~#id~0.offset;call ULTIMATE.dealloc(~#id_cmd~0.base, ~#id_cmd~0.offset);havoc ~#id_cmd~0.base, ~#id_cmd~0.offset;call ULTIMATE.dealloc(~#buf~0.base, ~#buf~0.offset);havoc ~#buf~0.base, ~#buf~0.offset; [2025-03-04 04:03:27,238 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4529: havoc #t~nondet290; [2025-03-04 04:03:27,242 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4536: havoc #t~nondet291; [2025-03-04 04:03:27,246 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4549: havoc #t~nondet292; [2025-03-04 04:03:27,282 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc #t~nondet284; [2025-03-04 04:03:27,308 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4553: havoc schedule_timeout_interruptible_#t~nondet293#1; [2025-03-04 04:03:27,547 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3958: call ULTIMATE.dealloc(~#hdr~0.base, ~#hdr~0.offset);havoc ~#hdr~0.base, ~#hdr~0.offset; [2025-03-04 04:03:27,551 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4485: havoc #t~nondet285; [2025-03-04 04:03:32,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033: call ULTIMATE.dealloc(pg_read_~#hdr~1#1.base, pg_read_~#hdr~1#1.offset);havoc pg_read_~#hdr~1#1.base, pg_read_~#hdr~1#1.offset; [2025-03-04 04:03:32,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3191: havoc __kmalloc_#t~ret17#1.base, __kmalloc_#t~ret17#1.offset; [2025-03-04 04:03:32,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4519: havoc noop_llseek_#t~nondet289#1; [2025-03-04 04:03:32,270 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4474: havoc __register_chrdev_#t~nondet283#1; [2025-03-04 04:03:32,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3318: havoc iminor_#t~mem29#1; [2025-03-04 04:03:32,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4491: havoc device_create_#t~ret286#1.base, device_create_#t~ret286#1.offset; [2025-03-04 04:03:32,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4097: call ULTIMATE.dealloc(pg_init_~#__key~0#1.base, pg_init_~#__key~0#1.offset);havoc pg_init_~#__key~0#1.base, pg_init_~#__key~0#1.offset; [2025-03-04 04:03:32,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4461: havoc __class_create_#t~ret282#1.base, __class_create_#t~ret282#1.offset; [2025-03-04 04:03:32,425 INFO L? ?]: Removed 572 outVars from TransFormulas that were not future-live. [2025-03-04 04:03:32,425 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:03:32,458 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:03:32,462 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:03:32,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:03:32 BoogieIcfgContainer [2025-03-04 04:03:32,463 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:03:32,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:03:32,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:03:32,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:03:32,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:03:25" (1/3) ... [2025-03-04 04:03:32,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d68c9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:03:32, skipping insertion in model container [2025-03-04 04:03:32,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:26" (2/3) ... [2025-03-04 04:03:32,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d68c9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:03:32, skipping insertion in model container [2025-03-04 04:03:32,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:03:32" (3/3) ... [2025-03-04 04:03:32,471 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-03-04 04:03:32,480 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:03:32,482 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i that has 35 procedures, 552 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-04 04:03:32,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:03:32,552 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;@23df8d39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:03:32,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:03:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 551 states, 403 states have (on average 1.3548387096774193) internal successors, (546), 411 states have internal predecessors, (546), 113 states have call successors, (113), 34 states have call predecessors, (113), 33 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2025-03-04 04:03:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 04:03:32,580 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:32,581 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:03:32,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:32,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:32,585 INFO L85 PathProgramCache]: Analyzing trace with hash -683438832, now seen corresponding path program 1 times [2025-03-04 04:03:32,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:32,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820905540] [2025-03-04 04:03:32,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:32,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:33,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 04:03:33,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 04:03:33,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:33,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 04:03:33,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:33,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820905540] [2025-03-04 04:03:33,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820905540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:33,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:03:33,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:03:33,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304757784] [2025-03-04 04:03:33,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:33,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:33,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:33,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:33,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:03:33,820 INFO L87 Difference]: Start difference. First operand has 551 states, 403 states have (on average 1.3548387096774193) internal successors, (546), 411 states have internal predecessors, (546), 113 states have call successors, (113), 34 states have call predecessors, (113), 33 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-04 04:03:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:34,166 INFO L93 Difference]: Finished difference Result 1434 states and 2030 transitions. [2025-03-04 04:03:34,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:34,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2025-03-04 04:03:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:34,187 INFO L225 Difference]: With dead ends: 1434 [2025-03-04 04:03:34,189 INFO L226 Difference]: Without dead ends: 836 [2025-03-04 04:03:34,198 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 [2025-03-04 04:03:34,200 INFO L435 NwaCegarLoop]: 909 mSDtfsCounter, 477 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:34,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1610 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 04:03:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-03-04 04:03:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 834. [2025-03-04 04:03:34,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 602 states have (on average 1.323920265780731) internal successors, (797), 607 states have internal predecessors, (797), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-03-04 04:03:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1146 transitions. [2025-03-04 04:03:34,318 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1146 transitions. Word has length 101 [2025-03-04 04:03:34,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:34,320 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1146 transitions. [2025-03-04 04:03:34,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-04 04:03:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1146 transitions. [2025-03-04 04:03:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-04 04:03:34,333 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:34,334 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-03-04 04:03:34,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 04:03:34,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:34,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:34,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1102292432, now seen corresponding path program 1 times [2025-03-04 04:03:34,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:34,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511079915] [2025-03-04 04:03:34,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:34,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:34,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-04 04:03:34,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-04 04:03:34,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:34,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-03-04 04:03:35,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:35,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511079915] [2025-03-04 04:03:35,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511079915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:35,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:03:35,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:03:35,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577146037] [2025-03-04 04:03:35,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:35,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:35,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:35,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:35,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:03:35,266 INFO L87 Difference]: Start difference. First operand 834 states and 1146 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:03:35,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:35,364 INFO L93 Difference]: Finished difference Result 1650 states and 2277 transitions. [2025-03-04 04:03:35,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:35,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2025-03-04 04:03:35,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:35,373 INFO L225 Difference]: With dead ends: 1650 [2025-03-04 04:03:35,373 INFO L226 Difference]: Without dead ends: 848 [2025-03-04 04:03:35,377 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 [2025-03-04 04:03:35,378 INFO L435 NwaCegarLoop]: 710 mSDtfsCounter, 7 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:35,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1417 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 04:03:35,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2025-03-04 04:03:35,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 836. [2025-03-04 04:03:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 604 states have (on average 1.3228476821192052) internal successors, (799), 609 states have internal predecessors, (799), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-03-04 04:03:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1148 transitions. [2025-03-04 04:03:35,422 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1148 transitions. Word has length 148 [2025-03-04 04:03:35,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:35,423 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1148 transitions. [2025-03-04 04:03:35,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:03:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1148 transitions. [2025-03-04 04:03:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-04 04:03:35,427 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:35,428 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-03-04 04:03:35,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:03:35,428 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:35,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:35,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1354133846, now seen corresponding path program 1 times [2025-03-04 04:03:35,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:35,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448876200] [2025-03-04 04:03:35,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:35,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:35,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 04:03:35,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 04:03:35,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:35,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-03-04 04:03:36,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448876200] [2025-03-04 04:03:36,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448876200] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:03:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531267362] [2025-03-04 04:03:36,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:36,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:36,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:36,193 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:03:36,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 04:03:36,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 04:03:37,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 04:03:37,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:37,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:37,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 04:03:37,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:03:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-04 04:03:37,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:03:37,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531267362] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:37,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:03:37,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 04:03:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815777097] [2025-03-04 04:03:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:37,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:37,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:37,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:37,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:37,323 INFO L87 Difference]: Start difference. First operand 836 states and 1148 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-03-04 04:03:37,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:37,378 INFO L93 Difference]: Finished difference Result 840 states and 1152 transitions. [2025-03-04 04:03:37,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:37,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2025-03-04 04:03:37,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:37,385 INFO L225 Difference]: With dead ends: 840 [2025-03-04 04:03:37,386 INFO L226 Difference]: Without dead ends: 837 [2025-03-04 04:03:37,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:37,387 INFO L435 NwaCegarLoop]: 712 mSDtfsCounter, 0 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:37,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1418 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 04:03:37,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2025-03-04 04:03:37,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2025-03-04 04:03:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 605 states have (on average 1.322314049586777) internal successors, (800), 610 states have internal predecessors, (800), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-03-04 04:03:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1149 transitions. [2025-03-04 04:03:37,425 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1149 transitions. Word has length 158 [2025-03-04 04:03:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:37,425 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1149 transitions. [2025-03-04 04:03:37,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-03-04 04:03:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1149 transitions. [2025-03-04 04:03:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-04 04:03:37,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:37,430 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-03-04 04:03:37,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 04:03:37,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:37,635 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:37,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:37,636 INFO L85 PathProgramCache]: Analyzing trace with hash 73256842, now seen corresponding path program 1 times [2025-03-04 04:03:37,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:37,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918896463] [2025-03-04 04:03:37,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:37,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:37,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-04 04:03:38,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-04 04:03:38,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:38,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-03-04 04:03:38,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:38,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918896463] [2025-03-04 04:03:38,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918896463] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:03:38,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638970094] [2025-03-04 04:03:38,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:38,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:38,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:03:38,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 04:03:39,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-04 04:03:39,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-04 04:03:39,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:39,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:39,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 04:03:39,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:03:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-04 04:03:39,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:03:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638970094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:03:39,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 04:03:39,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494439401] [2025-03-04 04:03:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:39,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:39,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:39,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:39,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:39,358 INFO L87 Difference]: Start difference. First operand 837 states and 1149 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), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 04:03:39,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:39,414 INFO L93 Difference]: Finished difference Result 1666 states and 2299 transitions. [2025-03-04 04:03:39,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:39,415 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), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2025-03-04 04:03:39,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:39,419 INFO L225 Difference]: With dead ends: 1666 [2025-03-04 04:03:39,419 INFO L226 Difference]: Without dead ends: 861 [2025-03-04 04:03:39,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:39,421 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 11 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:39,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1430 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 04:03:39,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2025-03-04 04:03:39,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 839. [2025-03-04 04:03:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 607 states have (on average 1.3212520593080725) internal successors, (802), 612 states have internal predecessors, (802), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-03-04 04:03:39,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1151 transitions. [2025-03-04 04:03:39,445 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1151 transitions. Word has length 160 [2025-03-04 04:03:39,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:39,446 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1151 transitions. [2025-03-04 04:03:39,446 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), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 04:03:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1151 transitions. [2025-03-04 04:03:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-03-04 04:03:39,449 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:39,449 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:03:39,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 04:03:39,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-04 04:03:39,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:39,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:39,653 INFO L85 PathProgramCache]: Analyzing trace with hash 151833733, now seen corresponding path program 1 times [2025-03-04 04:03:39,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:39,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601646290] [2025-03-04 04:03:39,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:39,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:40,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-04 04:03:40,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-04 04:03:40,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:40,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-04 04:03:40,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:40,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601646290] [2025-03-04 04:03:40,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601646290] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:03:40,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542096097] [2025-03-04 04:03:40,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:40,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:40,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:40,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:03:40,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 04:03:40,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-04 04:03:41,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-04 04:03:41,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:41,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:41,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 3494 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 04:03:41,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:03:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-04 04:03:41,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:03:41,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542096097] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:41,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:03:41,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 04:03:41,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505514488] [2025-03-04 04:03:41,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:41,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:41,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:41,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:41,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:41,328 INFO L87 Difference]: Start difference. First operand 839 states and 1151 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 04:03:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:41,426 INFO L93 Difference]: Finished difference Result 1663 states and 2290 transitions. [2025-03-04 04:03:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:41,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2025-03-04 04:03:41,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:41,432 INFO L225 Difference]: With dead ends: 1663 [2025-03-04 04:03:41,432 INFO L226 Difference]: Without dead ends: 856 [2025-03-04 04:03:41,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:41,436 INFO L435 NwaCegarLoop]: 703 mSDtfsCounter, 17 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:41,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1400 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:03:41,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2025-03-04 04:03:41,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 841. [2025-03-04 04:03:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 609 states have (on average 1.3201970443349753) internal successors, (804), 614 states have internal predecessors, (804), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2025-03-04 04:03:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1153 transitions. [2025-03-04 04:03:41,468 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1153 transitions. Word has length 164 [2025-03-04 04:03:41,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:41,469 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1153 transitions. [2025-03-04 04:03:41,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 04:03:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1153 transitions. [2025-03-04 04:03:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-04 04:03:41,474 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:41,474 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:03:41,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 04:03:41,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:41,675 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:41,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:41,675 INFO L85 PathProgramCache]: Analyzing trace with hash -584941662, now seen corresponding path program 1 times [2025-03-04 04:03:41,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:41,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341402017] [2025-03-04 04:03:41,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:42,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-04 04:03:42,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-04 04:03:42,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:42,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-04 04:03:42,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:42,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341402017] [2025-03-04 04:03:42,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341402017] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:03:42,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374031728] [2025-03-04 04:03:42,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:42,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:42,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:42,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:03:42,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 04:03:43,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-04 04:03:43,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-04 04:03:43,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:43,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:43,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 3505 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 04:03:43,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:03:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-04 04:03:43,323 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:03:43,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374031728] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:43,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:03:43,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 04:03:43,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237308464] [2025-03-04 04:03:43,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:43,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:43,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:43,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:43,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:43,325 INFO L87 Difference]: Start difference. First operand 841 states and 1153 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 04:03:43,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:43,380 INFO L93 Difference]: Finished difference Result 1676 states and 2311 transitions. [2025-03-04 04:03:43,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:43,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2025-03-04 04:03:43,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:43,385 INFO L225 Difference]: With dead ends: 1676 [2025-03-04 04:03:43,385 INFO L226 Difference]: Without dead ends: 867 [2025-03-04 04:03:43,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:03:43,387 INFO L435 NwaCegarLoop]: 710 mSDtfsCounter, 14 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:43,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1405 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 04:03:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2025-03-04 04:03:43,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 867. [2025-03-04 04:03:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 629 states have (on average 1.3227344992050873) internal successors, (832), 634 states have internal predecessors, (832), 181 states have call successors, (181), 57 states have call predecessors, (181), 56 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2025-03-04 04:03:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1193 transitions. [2025-03-04 04:03:43,414 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1193 transitions. Word has length 168 [2025-03-04 04:03:43,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:43,415 INFO L471 AbstractCegarLoop]: Abstraction has 867 states and 1193 transitions. [2025-03-04 04:03:43,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 04:03:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1193 transitions. [2025-03-04 04:03:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-04 04:03:43,418 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:43,418 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:03:43,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 04:03:43,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:43,619 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:43,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:43,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1363767422, now seen corresponding path program 1 times [2025-03-04 04:03:43,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:43,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801956235] [2025-03-04 04:03:43,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:43,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:43,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-04 04:03:43,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-04 04:03:43,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:43,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-04 04:03:44,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:44,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801956235] [2025-03-04 04:03:44,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801956235] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:03:44,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737272107] [2025-03-04 04:03:44,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:44,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:03:44,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 04:03:44,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-04 04:03:45,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-04 04:03:45,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:45,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:45,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 3523 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-04 04:03:45,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:03:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-03-04 04:03:45,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:03:45,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737272107] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:45,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:03:45,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-04 04:03:45,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71607954] [2025-03-04 04:03:45,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:45,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:03:45,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:45,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:03:45,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 04:03:45,343 INFO L87 Difference]: Start difference. First operand 867 states and 1193 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-03-04 04:03:45,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:45,407 INFO L93 Difference]: Finished difference Result 1694 states and 2339 transitions. [2025-03-04 04:03:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:03:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 173 [2025-03-04 04:03:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:45,409 INFO L225 Difference]: With dead ends: 1694 [2025-03-04 04:03:45,409 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 04:03:45,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-04 04:03:45,413 INFO L435 NwaCegarLoop]: 701 mSDtfsCounter, 569 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:03:45,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1401 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 04:03:45,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 04:03:45,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 04:03:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 04:03:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 04:03:45,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2025-03-04 04:03:45,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:03:45,415 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 04:03:45,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-03-04 04:03:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 04:03:45,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 04:03:45,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 04:03:45,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 04:03:45,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:03:45,620 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:03:45,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 04:03:46,983 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 04:03:46,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:03:46 BoogieIcfgContainer [2025-03-04 04:03:46,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 04:03:46,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 04:03:46,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 04:03:46,994 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 04:03:46,994 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:03:32" (3/4) ... [2025-03-04 04:03:46,995 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-03-04 04:03:47,001 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_probe [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_completion [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_wait [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_write [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_command [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure clear_bit [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-04 04:03:47,002 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_reset [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure xs [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_identify [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-03-04 04:03:47,003 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2025-03-04 04:03:47,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 213 nodes and edges [2025-03-04 04:03:47,025 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2025-03-04 04:03:47,027 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-03-04 04:03:47,029 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-04 04:03:47,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 04:03:47,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 04:03:47,035 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 04:03:47,184 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 04:03:47,184 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 04:03:47,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 04:03:47,185 INFO L158 Benchmark]: Toolchain (without parser) took 22137.02ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 106.8MB in the beginning and 574.4MB in the end (delta: -467.5MB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,186 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:03:47,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.47ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 89.1MB in the end (delta: 17.3MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.73ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 74.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,186 INFO L158 Benchmark]: Boogie Preprocessor took 210.73ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 51.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,186 INFO L158 Benchmark]: IcfgBuilder took 6138.55ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 51.5MB in the beginning and 131.6MB in the end (delta: -80.1MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,187 INFO L158 Benchmark]: TraceAbstraction took 14528.31ms. Allocated memory was 201.3MB in the beginning and 780.1MB in the end (delta: 578.8MB). Free memory was 131.6MB in the beginning and 607.5MB in the end (delta: -476.0MB). Peak memory consumption was 379.1MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,187 INFO L158 Benchmark]: Witness Printer took 190.98ms. Allocated memory is still 780.1MB. Free memory was 607.5MB in the beginning and 574.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 04:03:47,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 121.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.47ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 89.1MB in the end (delta: 17.3MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.73ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 74.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.73ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 51.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * IcfgBuilder took 6138.55ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 51.5MB in the beginning and 131.6MB in the end (delta: -80.1MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14528.31ms. Allocated memory was 201.3MB in the beginning and 780.1MB in the end (delta: 578.8MB). Free memory was 131.6MB in the beginning and 607.5MB in the end (delta: -476.0MB). Peak memory consumption was 379.1MB. Max. memory is 16.1GB. * Witness Printer took 190.98ms. Allocated memory is still 780.1MB. Free memory was 607.5MB in the beginning and 574.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3152]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3152] - GenericResultAtLocation [Line: 3160]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3160-3161] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3271]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 552 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1107 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1095 mSDsluCounter, 10081 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4914 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5167 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 845 GetRequests, 826 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1895 NumberOfCodeBlocks, 1895 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1883 ConstructedInterpolants, 0 QuantifiedInterpolants, 2321 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17467 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 766/771 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3447]: Location Invariant Derived location invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2025-03-04 04:03:47,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE