./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 19:14:51,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:14:51,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:14:51,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:14:51,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:14:51,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:14:51,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:14:51,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:14:51,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:14:51,715 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:14:51,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:14:51,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:14:51,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:14:51,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:14:51,716 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:14:51,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:14:51,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:14:51,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:14:51,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:14:51,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:14:51,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:14:51,718 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:14:51,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:14:51,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:14:51,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:14:51,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:14:51,719 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 [2025-03-08 19:14:51,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:14:51,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:14:51,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:14:51,922 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:14:51,922 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:14:51,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-03-08 19:14:53,061 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e0790f/71454326e64c49a0a4bbc601a33f7057/FLAGd4755f855 [2025-03-08 19:14:53,478 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:14:53,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2025-03-08 19:14:53,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e0790f/71454326e64c49a0a4bbc601a33f7057/FLAGd4755f855 [2025-03-08 19:14:53,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5e0790f/71454326e64c49a0a4bbc601a33f7057 [2025-03-08 19:14:53,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:14:53,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:14:53,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:14:53,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:14:53,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:14:53,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:14:53" (1/1) ... [2025-03-08 19:14:53,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a97f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:53, skipping insertion in model container [2025-03-08 19:14:53,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:14:53" (1/1) ... [2025-03-08 19:14:53,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:14:53,953 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2025-03-08 19:14:53,954 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] [2025-03-08 19:14:54,013 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] [2025-03-08 19:14:54,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:14:54,271 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:14:54,321 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2025-03-08 19:14:54,321 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] [2025-03-08 19:14:54,322 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] [2025-03-08 19:14:54,325 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] [2025-03-08 19:14:54,330 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] [2025-03-08 19:14:54,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:14:54,462 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:14:54,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54 WrapperNode [2025-03-08 19:14:54,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:14:54,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:14:54,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:14:54,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:14:54,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,569 INFO L138 Inliner]: procedures = 113, calls = 1214, calls flagged for inlining = 42, calls inlined = 40, statements flattened = 1963 [2025-03-08 19:14:54,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:14:54,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:14:54,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:14:54,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:14:54,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,666 INFO L175 MemorySlicer]: Split 956 memory accesses to 21 slices as follows [2, 5, 32, 6, 6, 24, 1, 14, 274, 30, 3, 2, 5, 6, 13, 2, 5, 512, 5, 6, 3]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 5, 24, 0, 4, 0, 1, 14, 180, 0, 0, 0, 5, 6, 13, 0, 5, 512, 0, 6, 3]. The 106 writes are split as follows [0, 0, 0, 2, 0, 24, 0, 0, 40, 30, 2, 1, 0, 0, 0, 2, 0, 0, 5, 0, 0]. [2025-03-08 19:14:54,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:14:54,772 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:14:54,772 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:14:54,772 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:14:54,773 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (1/1) ... [2025-03-08 19:14:54,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:14:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:14:54,797 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) [2025-03-08 19:14:54,848 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 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-03-08 19:14:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-03-08 19:14:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-03-08 19:14:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-03-08 19:14:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:14:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:14:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:14:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:14:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:14:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-03-08 19:14:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:14:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2025-03-08 19:14:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2025-03-08 19:14:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 19:14:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-08 19:14:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:14:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:14:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:14:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:14:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:14:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:14:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:14:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:14:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 19:14:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 19:14:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-03-08 19:14:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-03-08 19:14:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2025-03-08 19:14:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-03-08 19:14:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2025-03-08 19:14:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2025-03-08 19:14:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2025-03-08 19:14:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-03-08 19:14:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:14:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2025-03-08 19:14:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:14:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:14:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:14:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-08 19:14:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:14:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-03-08 19:14:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-03-08 19:14:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 19:14:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 19:14:55,209 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:14:55,211 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:14:55,253 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:14:55,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3487: havoc #t~mem110; [2025-03-08 19:14:55,396 INFO L1307 $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; [2025-03-08 19:14:55,662 INFO L1307 $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; [2025-03-08 19:14:55,671 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4529: havoc #t~nondet290; [2025-03-08 19:14:55,673 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4536: havoc #t~nondet291; [2025-03-08 19:14:55,678 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4549: havoc #t~nondet292; [2025-03-08 19:14:55,722 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc #t~nondet284; [2025-03-08 19:14:55,744 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4553: havoc schedule_timeout_interruptible_#t~nondet293#1; [2025-03-08 19:14:55,941 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3958: call ULTIMATE.dealloc(~#hdr~0.base, ~#hdr~0.offset);havoc ~#hdr~0.base, ~#hdr~0.offset; [2025-03-08 19:14:55,944 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4485: havoc #t~nondet285; [2025-03-08 19:15:00,760 INFO L1307 $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; [2025-03-08 19:15:00,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3191: havoc __kmalloc_#t~ret17#1.base, __kmalloc_#t~ret17#1.offset; [2025-03-08 19:15:00,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4519: havoc noop_llseek_#t~nondet289#1; [2025-03-08 19:15:00,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4474: havoc __register_chrdev_#t~nondet283#1; [2025-03-08 19:15:00,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3318: havoc iminor_#t~mem29#1; [2025-03-08 19:15:00,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4491: havoc device_create_#t~ret286#1.base, device_create_#t~ret286#1.offset; [2025-03-08 19:15:00,761 INFO L1307 $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; [2025-03-08 19:15:00,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4461: havoc __class_create_#t~ret282#1.base, __class_create_#t~ret282#1.offset; [2025-03-08 19:15:00,930 INFO L? ?]: Removed 572 outVars from TransFormulas that were not future-live. [2025-03-08 19:15:00,931 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:15:00,962 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:15:00,962 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:15:00,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:00 BoogieIcfgContainer [2025-03-08 19:15:00,963 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:15:00,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:15:00,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:15:00,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:15:00,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:14:53" (1/3) ... [2025-03-08 19:15:00,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdb246b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:15:00, skipping insertion in model container [2025-03-08 19:15:00,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:14:54" (2/3) ... [2025-03-08 19:15:00,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdb246b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:15:00, skipping insertion in model container [2025-03-08 19:15:00,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:00" (3/3) ... [2025-03-08 19:15:00,974 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 [2025-03-08 19:15:00,984 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:15:00,985 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. [2025-03-08 19:15:01,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:15:01,041 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;@4c1a7363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:15:01,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:15:01,045 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) [2025-03-08 19:15:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-08 19:15:01,067 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:01,068 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] [2025-03-08 19:15:01,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:01,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:01,073 INFO L85 PathProgramCache]: Analyzing trace with hash -683438832, now seen corresponding path program 1 times [2025-03-08 19:15:01,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:01,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972193080] [2025-03-08 19:15:01,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:01,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:01,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 19:15:01,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 19:15:01,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:01,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-08 19:15:02,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:02,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972193080] [2025-03-08 19:15:02,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972193080] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:02,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:02,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:02,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923188155] [2025-03-08 19:15:02,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:02,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:02,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:02,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:02,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:02,148 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) [2025-03-08 19:15:02,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:02,380 INFO L93 Difference]: Finished difference Result 1434 states and 2030 transitions. [2025-03-08 19:15:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:02,381 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 [2025-03-08 19:15:02,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:02,399 INFO L225 Difference]: With dead ends: 1434 [2025-03-08 19:15:02,399 INFO L226 Difference]: Without dead ends: 836 [2025-03-08 19:15:02,409 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 [2025-03-08 19:15:02,412 INFO L435 NwaCegarLoop]: 909 mSDtfsCounter, 477 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:02,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1610 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-03-08 19:15:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 834. [2025-03-08 19:15:02,496 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) [2025-03-08 19:15:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1146 transitions. [2025-03-08 19:15:02,510 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1146 transitions. Word has length 101 [2025-03-08 19:15:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:02,512 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1146 transitions. [2025-03-08 19:15:02,512 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) [2025-03-08 19:15:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1146 transitions. [2025-03-08 19:15:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-08 19:15:02,523 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:02,524 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] [2025-03-08 19:15:02,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:15:02,524 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:02,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:02,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1102292432, now seen corresponding path program 1 times [2025-03-08 19:15:02,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:02,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326603451] [2025-03-08 19:15:02,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:02,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:02,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-08 19:15:03,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-08 19:15:03,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:03,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-03-08 19:15:03,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:03,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326603451] [2025-03-08 19:15:03,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326603451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:03,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:03,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:03,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908623240] [2025-03-08 19:15:03,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:03,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:03,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:03,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:03,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:03,355 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) [2025-03-08 19:15:03,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:03,467 INFO L93 Difference]: Finished difference Result 1650 states and 2277 transitions. [2025-03-08 19:15:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:03,468 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 [2025-03-08 19:15:03,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:03,475 INFO L225 Difference]: With dead ends: 1650 [2025-03-08 19:15:03,475 INFO L226 Difference]: Without dead ends: 848 [2025-03-08 19:15:03,480 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 [2025-03-08 19:15:03,481 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 [2025-03-08 19:15:03,481 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] [2025-03-08 19:15:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2025-03-08 19:15:03,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 836. [2025-03-08 19:15:03,521 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) [2025-03-08 19:15:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1148 transitions. [2025-03-08 19:15:03,528 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1148 transitions. Word has length 148 [2025-03-08 19:15:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:03,529 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1148 transitions. [2025-03-08 19:15:03,530 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) [2025-03-08 19:15:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1148 transitions. [2025-03-08 19:15:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 19:15:03,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:03,541 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] [2025-03-08 19:15:03,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:15:03,541 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:03,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:03,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1354133846, now seen corresponding path program 1 times [2025-03-08 19:15:03,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:03,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910526281] [2025-03-08 19:15:03,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:03,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:03,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 19:15:03,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 19:15:03,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:03,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-03-08 19:15:04,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:04,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910526281] [2025-03-08 19:15:04,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910526281] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:04,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964887366] [2025-03-08 19:15:04,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:04,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:04,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:04,262 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) [2025-03-08 19:15:04,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 19:15:05,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 19:15:05,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 19:15:05,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:05,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:05,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:15:05,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:15:05,392 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:05,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964887366] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:05,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:05,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:05,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206515298] [2025-03-08 19:15:05,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:05,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:05,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:05,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:05,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:05,395 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) [2025-03-08 19:15:05,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:05,452 INFO L93 Difference]: Finished difference Result 840 states and 1152 transitions. [2025-03-08 19:15:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:05,453 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 [2025-03-08 19:15:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:05,462 INFO L225 Difference]: With dead ends: 840 [2025-03-08 19:15:05,462 INFO L226 Difference]: Without dead ends: 837 [2025-03-08 19:15:05,463 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 [2025-03-08 19:15:05,463 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 [2025-03-08 19:15:05,463 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] [2025-03-08 19:15:05,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2025-03-08 19:15:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2025-03-08 19:15:05,490 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) [2025-03-08 19:15:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1149 transitions. [2025-03-08 19:15:05,495 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1149 transitions. Word has length 158 [2025-03-08 19:15:05,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:05,495 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1149 transitions. [2025-03-08 19:15:05,496 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) [2025-03-08 19:15:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1149 transitions. [2025-03-08 19:15:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 19:15:05,498 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:05,498 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] [2025-03-08 19:15:05,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 19:15:05,699 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 [2025-03-08 19:15:05,699 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:05,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:05,700 INFO L85 PathProgramCache]: Analyzing trace with hash 73256842, now seen corresponding path program 1 times [2025-03-08 19:15:05,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:05,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319783650] [2025-03-08 19:15:05,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:05,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:06,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 19:15:06,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 19:15:06,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:06,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-03-08 19:15:06,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:06,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319783650] [2025-03-08 19:15:06,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319783650] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:06,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849453293] [2025-03-08 19:15:06,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:06,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:06,350 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) [2025-03-08 19:15:06,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 19:15:07,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 19:15:07,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 19:15:07,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:07,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:07,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:15:07,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-08 19:15:07,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:07,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849453293] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:07,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:07,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:07,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984696538] [2025-03-08 19:15:07,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:07,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:07,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:07,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:07,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:07,387 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) [2025-03-08 19:15:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:07,458 INFO L93 Difference]: Finished difference Result 1666 states and 2299 transitions. [2025-03-08 19:15:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:07,458 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 [2025-03-08 19:15:07,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:07,463 INFO L225 Difference]: With dead ends: 1666 [2025-03-08 19:15:07,463 INFO L226 Difference]: Without dead ends: 861 [2025-03-08 19:15:07,466 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 [2025-03-08 19:15:07,467 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 [2025-03-08 19:15:07,467 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] [2025-03-08 19:15:07,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2025-03-08 19:15:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 839. [2025-03-08 19:15:07,499 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) [2025-03-08 19:15:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1151 transitions. [2025-03-08 19:15:07,505 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1151 transitions. Word has length 160 [2025-03-08 19:15:07,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:07,506 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1151 transitions. [2025-03-08 19:15:07,506 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) [2025-03-08 19:15:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1151 transitions. [2025-03-08 19:15:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-03-08 19:15:07,509 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:07,509 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] [2025-03-08 19:15:07,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 19:15:07,710 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 [2025-03-08 19:15:07,710 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:07,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:07,711 INFO L85 PathProgramCache]: Analyzing trace with hash 151833733, now seen corresponding path program 1 times [2025-03-08 19:15:07,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:07,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646504723] [2025-03-08 19:15:07,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:07,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:08,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-08 19:15:08,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-08 19:15:08,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:08,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-08 19:15:08,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:08,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646504723] [2025-03-08 19:15:08,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646504723] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:08,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069256513] [2025-03-08 19:15:08,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:08,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:08,335 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) [2025-03-08 19:15:08,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 19:15:09,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-03-08 19:15:09,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-03-08 19:15:09,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:09,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:09,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 3494 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:15:09,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-08 19:15:09,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:09,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069256513] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:09,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:09,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:09,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558006824] [2025-03-08 19:15:09,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:09,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:09,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:09,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:09,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:09,319 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) [2025-03-08 19:15:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:09,386 INFO L93 Difference]: Finished difference Result 1663 states and 2290 transitions. [2025-03-08 19:15:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:09,387 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 [2025-03-08 19:15:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:09,390 INFO L225 Difference]: With dead ends: 1663 [2025-03-08 19:15:09,390 INFO L226 Difference]: Without dead ends: 856 [2025-03-08 19:15:09,393 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 [2025-03-08 19:15:09,394 INFO L435 NwaCegarLoop]: 703 mSDtfsCounter, 17 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:09,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1400 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:15:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2025-03-08 19:15:09,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 841. [2025-03-08 19:15:09,414 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) [2025-03-08 19:15:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1153 transitions. [2025-03-08 19:15:09,419 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1153 transitions. Word has length 164 [2025-03-08 19:15:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:09,420 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1153 transitions. [2025-03-08 19:15:09,420 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) [2025-03-08 19:15:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1153 transitions. [2025-03-08 19:15:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-08 19:15:09,423 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:09,423 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] [2025-03-08 19:15:09,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 19:15:09,623 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 [2025-03-08 19:15:09,624 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:09,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:09,624 INFO L85 PathProgramCache]: Analyzing trace with hash -584941662, now seen corresponding path program 1 times [2025-03-08 19:15:09,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:09,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421999943] [2025-03-08 19:15:09,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:09,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:09,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-08 19:15:09,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-08 19:15:09,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:09,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:10,150 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-08 19:15:10,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:10,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421999943] [2025-03-08 19:15:10,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421999943] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:10,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092103542] [2025-03-08 19:15:10,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:10,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:10,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:10,153 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) [2025-03-08 19:15:10,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 19:15:10,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-08 19:15:11,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-08 19:15:11,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:11,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:11,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 3505 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 19:15:11,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-08 19:15:11,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:11,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092103542] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:11,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:11,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:11,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505820812] [2025-03-08 19:15:11,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:11,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:11,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:11,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:11,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:11,207 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) [2025-03-08 19:15:11,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:11,255 INFO L93 Difference]: Finished difference Result 1676 states and 2311 transitions. [2025-03-08 19:15:11,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:11,256 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 [2025-03-08 19:15:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:11,260 INFO L225 Difference]: With dead ends: 1676 [2025-03-08 19:15:11,260 INFO L226 Difference]: Without dead ends: 867 [2025-03-08 19:15:11,262 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 [2025-03-08 19:15:11,263 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 [2025-03-08 19:15:11,263 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] [2025-03-08 19:15:11,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2025-03-08 19:15:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 867. [2025-03-08 19:15:11,281 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) [2025-03-08 19:15:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1193 transitions. [2025-03-08 19:15:11,285 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1193 transitions. Word has length 168 [2025-03-08 19:15:11,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:11,286 INFO L471 AbstractCegarLoop]: Abstraction has 867 states and 1193 transitions. [2025-03-08 19:15:11,286 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) [2025-03-08 19:15:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1193 transitions. [2025-03-08 19:15:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-08 19:15:11,289 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:11,289 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] [2025-03-08 19:15:11,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 19:15:11,489 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 [2025-03-08 19:15:11,489 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:11,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:11,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1363767422, now seen corresponding path program 1 times [2025-03-08 19:15:11,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:11,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118844738] [2025-03-08 19:15:11,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:11,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:11,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-08 19:15:11,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-08 19:15:11,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:11,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-08 19:15:12,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:12,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118844738] [2025-03-08 19:15:12,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118844738] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:12,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547412991] [2025-03-08 19:15:12,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:12,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:12,011 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) [2025-03-08 19:15:12,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 19:15:12,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-03-08 19:15:13,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-03-08 19:15:13,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:13,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:13,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 3523 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 19:15:13,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-03-08 19:15:13,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:13,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547412991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:13,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:13,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-08 19:15:13,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108976616] [2025-03-08 19:15:13,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:13,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:15:13,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:13,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:15:13,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 19:15:13,220 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) [2025-03-08 19:15:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:13,284 INFO L93 Difference]: Finished difference Result 1694 states and 2339 transitions. [2025-03-08 19:15:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:15:13,285 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 [2025-03-08 19:15:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:13,286 INFO L225 Difference]: With dead ends: 1694 [2025-03-08 19:15:13,286 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:15:13,290 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 [2025-03-08 19:15:13,291 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 [2025-03-08 19:15:13,291 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] [2025-03-08 19:15:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:15:13,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:15:13,292 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) [2025-03-08 19:15:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:15:13,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2025-03-08 19:15:13,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:13,293 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:15:13,293 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) [2025-03-08 19:15:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:15:13,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:15:13,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:15:13,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-08 19:15:13,496 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 [2025-03-08 19:15:13,498 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:13,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:15:14,602 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:15:14,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:15:14 BoogieIcfgContainer [2025-03-08 19:15:14,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:15:14,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:15:14,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:15:14,614 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:15:14,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:00" (3/4) ... [2025-03-08 19:15:14,616 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_probe [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_completion [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_wait [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_write [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_command [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure clear_bit [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_reset [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-08 19:15:14,620 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-03-08 19:15:14,621 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure xs [2025-03-08 19:15:14,621 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pg_identify [2025-03-08 19:15:14,621 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-03-08 19:15:14,621 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2025-03-08 19:15:14,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 213 nodes and edges [2025-03-08 19:15:14,644 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2025-03-08 19:15:14,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2025-03-08 19:15:14,648 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-08 19:15:14,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 19:15:14,651 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 19:15:14,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:15:14,815 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:15:14,815 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:15:14,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:15:14,816 INFO L158 Benchmark]: Toolchain (without parser) took 21201.46ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 99.6MB in the beginning and 689.8MB in the end (delta: -590.1MB). Peak memory consumption was 482.1MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,816 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:15:14,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.80ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 82.1MB in the end (delta: 17.6MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.95ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 68.9MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,817 INFO L158 Benchmark]: Boogie Preprocessor took 201.59ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 44.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,817 INFO L158 Benchmark]: IcfgBuilder took 6191.01ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 44.4MB in the beginning and 211.6MB in the end (delta: -167.2MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,817 INFO L158 Benchmark]: TraceAbstraction took 13645.06ms. Allocated memory was 285.2MB in the beginning and 771.8MB in the end (delta: 486.5MB). Free memory was 211.6MB in the beginning and 273.6MB in the end (delta: -62.0MB). Peak memory consumption was 427.0MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,817 INFO L158 Benchmark]: Witness Printer took 201.24ms. Allocated memory is still 771.8MB. Free memory was 273.6MB in the beginning and 689.8MB in the end (delta: -416.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2025-03-08 19:15:14,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.80ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 82.1MB in the end (delta: 17.6MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.95ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 68.9MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 201.59ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 44.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * IcfgBuilder took 6191.01ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 44.4MB in the beginning and 211.6MB in the end (delta: -167.2MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13645.06ms. Allocated memory was 285.2MB in the beginning and 771.8MB in the end (delta: 486.5MB). Free memory was 211.6MB in the beginning and 273.6MB in the end (delta: -62.0MB). Peak memory consumption was 427.0MB. Max. memory is 16.1GB. * Witness Printer took 201.24ms. Allocated memory is still 771.8MB. Free memory was 273.6MB in the beginning and 689.8MB in the end (delta: -416.1MB). Peak memory consumption was 25.3MB. 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, 885 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1107 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1095 mSDsluCounter, 10081 SdHoareTripleChecker+Invalid, 0.3s 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.1s 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! [2025-03-08 19:15:14,841 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