./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--pt.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--pt.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 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:15:01,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:15:01,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:15:01,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:15:01,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:15:01,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:15:01,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:15:01,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:15:01,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:15:01,657 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:15:01,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:15:01,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:15:01,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:15:01,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:15:01,659 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:15:01,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:15:01,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:15:01,659 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 -> 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 [2025-03-08 19:15:01,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:15:01,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:15:01,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:15:01,904 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:15:01,905 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:15:01,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2025-03-08 19:15:03,089 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960902463/ace2b428d55747f9a391fdf558fe61a9/FLAGf05cb528a [2025-03-08 19:15:03,463 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:15:03,464 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2025-03-08 19:15:03,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960902463/ace2b428d55747f9a391fdf558fe61a9/FLAGf05cb528a [2025-03-08 19:15:03,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960902463/ace2b428d55747f9a391fdf558fe61a9 [2025-03-08 19:15:03,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:15:03,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:15:03,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:15:03,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:15:03,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:15:03,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:15:03" (1/1) ... [2025-03-08 19:15:03,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a95b201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:03, skipping insertion in model container [2025-03-08 19:15:03,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:15:03" (1/1) ... [2025-03-08 19:15:03,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:15:03,844 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2025-03-08 19:15:03,845 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2025-03-08 19:15:03,958 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--pt.ko-entry_point.cil.out.i[90990,91003] [2025-03-08 19:15:04,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:15:04,367 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:15:04,432 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2025-03-08 19:15:04,433 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2025-03-08 19:15:04,436 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; incl %0": "+m" (v->counter)); [3171] [2025-03-08 19:15:04,438 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] [2025-03-08 19:15:04,444 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--pt.ko-entry_point.cil.out.i[90990,91003] [2025-03-08 19:15:04,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:15:04,622 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:15:04,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04 WrapperNode [2025-03-08 19:15:04,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:15:04,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:15:04,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:15:04,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:15:04,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,758 INFO L138 Inliner]: procedures = 121, calls = 1489, calls flagged for inlining = 38, calls inlined = 36, statements flattened = 2419 [2025-03-08 19:15:04,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:15:04,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:15:04,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:15:04,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:15:04,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,915 INFO L175 MemorySlicer]: Split 1100 memory accesses to 19 slices as follows [2, 5, 512, 6, 392, 8, 11, 3, 6, 29, 31, 3, 2, 13, 1, 11, 24, 11, 30]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 5, 512, 0, 176, 0, 11, 3, 6, 29, 24, 0, 0, 13, 1, 11, 0, 4, 0]. The 204 writes are split as follows [0, 0, 0, 5, 139, 2, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 24, 0, 30]. [2025-03-08 19:15:04,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,987 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:04,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:05,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:05,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:05,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:15:05,055 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:15:05,055 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:15:05,055 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:15:05,056 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (1/1) ... [2025-03-08 19:15:05,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:15:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:05,084 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 19:15:05,090 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 19:15:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-03-08 19:15:05,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-03-08 19:15:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-03-08 19:15:05,114 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-03-08 19:15:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-03-08 19:15:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:15:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:15:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:15:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:15:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:15:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:15:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:15:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:15:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:15:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:15:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:15:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:15:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:15:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:15:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:15:05,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:15:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:15:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2025-03-08 19:15:05,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2025-03-08 19:15:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:15:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:15:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:15:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:15:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:15:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:15:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2025-03-08 19:15:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2025-03-08 19:15:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-08 19:15:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-08 19:15:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:15:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-08 19:15:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:15:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2025-03-08 19:15:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-03-08 19:15:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-03-08 19:15:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:15:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-03-08 19:15:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-03-08 19:15:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-08 19:15:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 19:15:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2025-03-08 19:15:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2025-03-08 19:15:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-03-08 19:15:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-03-08 19:15:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 19:15:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 19:15:05,538 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:15:05,541 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:15:05,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:15:05,774 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3778: call ULTIMATE.dealloc(~#expect~0.base, ~#expect~0.offset);havoc ~#expect~0.base, ~#expect~0.offset; [2025-03-08 19:15:10,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3851: call ULTIMATE.dealloc(pt_ready_wait_~#tr_cmd~0#1.base, pt_ready_wait_~#tr_cmd~0#1.offset);havoc pt_ready_wait_~#tr_cmd~0#1.base, pt_ready_wait_~#tr_cmd~0#1.offset; [2025-03-08 19:15:10,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3949: call ULTIMATE.dealloc(~#ms~0#1.base, ~#ms~0#1.offset);havoc ~#ms~0#1.base, ~#ms~0#1.offset;call ULTIMATE.dealloc(~#mf~0#1.base, ~#mf~0#1.offset);havoc ~#mf~0#1.base, ~#mf~0#1.offset;call ULTIMATE.dealloc(~#id~0#1.base, ~#id~0#1.offset);havoc ~#id~0#1.base, ~#id~0#1.offset;call ULTIMATE.dealloc(~#id_cmd~0#1.base, ~#id_cmd~0#1.offset);havoc ~#id_cmd~0#1.base, ~#id_cmd~0#1.offset;call ULTIMATE.dealloc(~#ms_cmd~0#1.base, ~#ms_cmd~0#1.offset);havoc ~#ms_cmd~0#1.base, ~#ms_cmd~0#1.offset;call ULTIMATE.dealloc(~#ls_cmd~0#1.base, ~#ls_cmd~0#1.offset);havoc ~#ls_cmd~0#1.base, ~#ls_cmd~0#1.offset;call ULTIMATE.dealloc(~#buf~1#1.base, ~#buf~1#1.offset);havoc ~#buf~1#1.base, ~#buf~1#1.offset; [2025-03-08 19:15:10,903 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4445: call ULTIMATE.dealloc(~#wr_cmd~0.base, ~#wr_cmd~0.offset);havoc ~#wr_cmd~0.base, ~#wr_cmd~0.offset; [2025-03-08 19:15:10,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3455: havoc #t~mem96; [2025-03-08 19:15:11,025 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5052: havoc #t~nondet381; [2025-03-08 19:15:11,030 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5059: havoc #t~nondet382; [2025-03-08 19:15:11,035 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5072: havoc #t~nondet383; [2025-03-08 19:15:11,351 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3734: call ULTIMATE.dealloc(~#rw_cmd~0.base, ~#rw_cmd~0.offset);havoc ~#rw_cmd~0.base, ~#rw_cmd~0.offset; [2025-03-08 19:15:11,386 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5004: havoc #t~nondet375; [2025-03-08 19:15:11,656 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3581: call ULTIMATE.dealloc(~#rs_cmd~0.base, ~#rs_cmd~0.offset);havoc ~#rs_cmd~0.base, ~#rs_cmd~0.offset;call ULTIMATE.dealloc(~#buf~0.base, ~#buf~0.offset);havoc ~#buf~0.base, ~#buf~0.offset; [2025-03-08 19:15:11,683 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5008: havoc #t~nondet376; [2025-03-08 19:15:11,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5076: havoc schedule_timeout_interruptible_#t~nondet384#1; [2025-03-08 19:15:11,895 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: call ULTIMATE.dealloc(~#wm_cmd~0.base, ~#wm_cmd~0.offset);havoc ~#wm_cmd~0.base, ~#wm_cmd~0.offset; [2025-03-08 19:15:11,901 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3317: havoc #t~mem24; [2025-03-08 19:15:11,921 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5014: havoc #t~ret377.base, #t~ret377.offset; [2025-03-08 19:15:17,241 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4997: havoc __register_chrdev_#t~nondet374#1; [2025-03-08 19:15:17,246 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3190: havoc __kmalloc_#t~ret12#1.base, __kmalloc_#t~ret12#1.offset; [2025-03-08 19:15:17,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4611: call ULTIMATE.dealloc(pt_init_~#__key~0#1.base, pt_init_~#__key~0#1.offset);havoc pt_init_~#__key~0#1.base, pt_init_~#__key~0#1.offset; [2025-03-08 19:15:17,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3158: havoc atomic_read_#t~mem6#1; [2025-03-08 19:15:17,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5042: havoc noop_llseek_#t~nondet380#1; [2025-03-08 19:15:17,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4285: call ULTIMATE.dealloc(pt_read_~#rd_cmd~0#1.base, pt_read_~#rd_cmd~0#1.offset);havoc pt_read_~#rd_cmd~0#1.base, pt_read_~#rd_cmd~0#1.offset; [2025-03-08 19:15:17,247 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4984: havoc __class_create_#t~ret373#1.base, __class_create_#t~ret373#1.offset; [2025-03-08 19:15:17,447 INFO L? ?]: Removed 714 outVars from TransFormulas that were not future-live. [2025-03-08 19:15:17,447 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:15:17,489 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:15:17,492 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:15:17,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:17 BoogieIcfgContainer [2025-03-08 19:15:17,492 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:15:17,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:15:17,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:15:17,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:15:17,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:15:03" (1/3) ... [2025-03-08 19:15:17,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fca696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:15:17, skipping insertion in model container [2025-03-08 19:15:17,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:04" (2/3) ... [2025-03-08 19:15:17,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fca696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:15:17, skipping insertion in model container [2025-03-08 19:15:17,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:17" (3/3) ... [2025-03-08 19:15:17,501 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2025-03-08 19:15:17,513 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:15:17,514 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i that has 48 procedures, 887 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 19:15:17,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:15:17,579 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;@4c482ca1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:15:17,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:15:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 886 states, 642 states have (on average 1.3894080996884735) internal successors, (892), 665 states have internal predecessors, (892), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2025-03-08 19:15:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-08 19:15:17,609 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:17,610 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:17,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:17,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:17,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1315756279, now seen corresponding path program 1 times [2025-03-08 19:15:17,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:17,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502515240] [2025-03-08 19:15:17,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:17,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:18,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-08 19:15:18,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-08 19:15:18,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:18,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 19:15:18,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502515240] [2025-03-08 19:15:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502515240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:18,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:18,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:18,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111098876] [2025-03-08 19:15:18,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:18,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:18,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:18,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:18,831 INFO L87 Difference]: Start difference. First operand has 886 states, 642 states have (on average 1.3894080996884735) internal successors, (892), 665 states have internal predecessors, (892), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 19:15:19,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:19,377 INFO L93 Difference]: Finished difference Result 2166 states and 3182 transitions. [2025-03-08 19:15:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:19,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 130 [2025-03-08 19:15:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:19,395 INFO L225 Difference]: With dead ends: 2166 [2025-03-08 19:15:19,395 INFO L226 Difference]: Without dead ends: 1217 [2025-03-08 19:15:19,401 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 19:15:19,403 INFO L435 NwaCegarLoop]: 1516 mSDtfsCounter, 586 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:19,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 2667 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 19:15:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2025-03-08 19:15:19,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1215. [2025-03-08 19:15:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 874 states have (on average 1.3501144164759726) internal successors, (1180), 890 states have internal predecessors, (1180), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-03-08 19:15:19,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1715 transitions. [2025-03-08 19:15:19,505 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1715 transitions. Word has length 130 [2025-03-08 19:15:19,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:19,506 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1715 transitions. [2025-03-08 19:15:19,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 19:15:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1715 transitions. [2025-03-08 19:15:19,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-03-08 19:15:19,516 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:19,516 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:19,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:15:19,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:19,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:19,517 INFO L85 PathProgramCache]: Analyzing trace with hash -389738972, now seen corresponding path program 1 times [2025-03-08 19:15:19,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:19,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75066854] [2025-03-08 19:15:19,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:19,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:20,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-08 19:15:20,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-08 19:15:20,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:20,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:15:20,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:20,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75066854] [2025-03-08 19:15:20,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75066854] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:20,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:20,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:20,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366960352] [2025-03-08 19:15:20,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:20,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:20,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:20,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:20,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:20,554 INFO L87 Difference]: Start difference. First operand 1215 states and 1715 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 19:15:20,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:20,809 INFO L93 Difference]: Finished difference Result 2426 states and 3437 transitions. [2025-03-08 19:15:20,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:20,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 177 [2025-03-08 19:15:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:20,821 INFO L225 Difference]: With dead ends: 2426 [2025-03-08 19:15:20,821 INFO L226 Difference]: Without dead ends: 1243 [2025-03-08 19:15:20,826 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 19:15:20,828 INFO L435 NwaCegarLoop]: 1150 mSDtfsCounter, 14 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:20,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2296 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:15:20,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2025-03-08 19:15:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1217. [2025-03-08 19:15:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 876 states have (on average 1.3493150684931507) internal successors, (1182), 892 states have internal predecessors, (1182), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-03-08 19:15:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1717 transitions. [2025-03-08 19:15:20,888 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1717 transitions. Word has length 177 [2025-03-08 19:15:20,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:20,890 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1717 transitions. [2025-03-08 19:15:20,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 19:15:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1717 transitions. [2025-03-08 19:15:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-03-08 19:15:20,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:20,898 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:20,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:15:20,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:20,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:20,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1626261629, now seen corresponding path program 1 times [2025-03-08 19:15:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:20,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940729750] [2025-03-08 19:15:20,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:20,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:21,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-03-08 19:15:21,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-03-08 19:15:21,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:21,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-03-08 19:15:21,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:21,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940729750] [2025-03-08 19:15:21,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940729750] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:21,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:21,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:21,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937970491] [2025-03-08 19:15:21,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:21,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:21,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:21,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:21,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:21,638 INFO L87 Difference]: Start difference. First operand 1217 states and 1717 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 19:15:21,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:21,829 INFO L93 Difference]: Finished difference Result 2416 states and 3419 transitions. [2025-03-08 19:15:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:21,830 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 183 [2025-03-08 19:15:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:21,839 INFO L225 Difference]: With dead ends: 2416 [2025-03-08 19:15:21,839 INFO L226 Difference]: Without dead ends: 1231 [2025-03-08 19:15:21,843 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 19:15:21,844 INFO L435 NwaCegarLoop]: 1154 mSDtfsCounter, 1 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:21,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2305 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2025-03-08 19:15:21,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1231. [2025-03-08 19:15:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 890 states have (on average 1.350561797752809) internal successors, (1202), 906 states have internal predecessors, (1202), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-03-08 19:15:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1737 transitions. [2025-03-08 19:15:21,887 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1737 transitions. Word has length 183 [2025-03-08 19:15:21,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:21,887 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1737 transitions. [2025-03-08 19:15:21,887 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 19:15:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1737 transitions. [2025-03-08 19:15:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-08 19:15:21,893 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:21,893 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:21,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:15:21,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:21,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:21,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1467676449, now seen corresponding path program 1 times [2025-03-08 19:15:21,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:21,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878931763] [2025-03-08 19:15:21,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:22,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-08 19:15:22,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-08 19:15:22,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:22,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:15:22,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:22,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878931763] [2025-03-08 19:15:22,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878931763] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:22,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764873083] [2025-03-08 19:15:22,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:22,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:22,717 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 19:15:22,718 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 19:15:23,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-08 19:15:23,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-08 19:15:23,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:23,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:23,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 4015 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:15:23,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:15:23,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:23,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764873083] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:23,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:23,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:23,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496530360] [2025-03-08 19:15:23,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:23,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:23,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:23,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:23,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:23,939 INFO L87 Difference]: Start difference. First operand 1231 states and 1737 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 19:15:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:24,106 INFO L93 Difference]: Finished difference Result 2432 states and 3500 transitions. [2025-03-08 19:15:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:24,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 189 [2025-03-08 19:15:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:24,114 INFO L225 Difference]: With dead ends: 2432 [2025-03-08 19:15:24,115 INFO L226 Difference]: Without dead ends: 1233 [2025-03-08 19:15:24,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 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 19:15:24,120 INFO L435 NwaCegarLoop]: 1155 mSDtfsCounter, 0 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:24,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2305 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:24,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2025-03-08 19:15:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2025-03-08 19:15:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 892 states have (on average 1.3497757847533631) internal successors, (1204), 908 states have internal predecessors, (1204), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-03-08 19:15:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1739 transitions. [2025-03-08 19:15:24,160 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1739 transitions. Word has length 189 [2025-03-08 19:15:24,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:24,161 INFO L471 AbstractCegarLoop]: Abstraction has 1233 states and 1739 transitions. [2025-03-08 19:15:24,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 19:15:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1739 transitions. [2025-03-08 19:15:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-08 19:15:24,166 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:24,166 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:24,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 19:15:24,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:24,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:24,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2108773249, now seen corresponding path program 1 times [2025-03-08 19:15:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:24,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202754949] [2025-03-08 19:15:24,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:24,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-08 19:15:24,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-08 19:15:24,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:24,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:15:25,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:25,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202754949] [2025-03-08 19:15:25,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202754949] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:25,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649338217] [2025-03-08 19:15:25,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:25,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:25,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:25,105 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 19:15:25,106 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 19:15:26,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-08 19:15:26,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-08 19:15:26,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:26,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:26,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 4020 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:15:26,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-08 19:15:26,398 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:26,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649338217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:26,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:26,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:26,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297273805] [2025-03-08 19:15:26,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:26,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:26,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:26,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:26,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:26,399 INFO L87 Difference]: Start difference. First operand 1233 states and 1739 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 19:15:26,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:26,554 INFO L93 Difference]: Finished difference Result 1237 states and 1743 transitions. [2025-03-08 19:15:26,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:26,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 190 [2025-03-08 19:15:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:26,561 INFO L225 Difference]: With dead ends: 1237 [2025-03-08 19:15:26,561 INFO L226 Difference]: Without dead ends: 1234 [2025-03-08 19:15:26,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 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 19:15:26,562 INFO L435 NwaCegarLoop]: 1155 mSDtfsCounter, 0 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:26,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2304 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2025-03-08 19:15:26,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2025-03-08 19:15:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 893 states have (on average 1.349384098544233) internal successors, (1205), 909 states have internal predecessors, (1205), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-03-08 19:15:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1740 transitions. [2025-03-08 19:15:26,593 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1740 transitions. Word has length 190 [2025-03-08 19:15:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:26,593 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1740 transitions. [2025-03-08 19:15:26,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 19:15:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1740 transitions. [2025-03-08 19:15:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-08 19:15:26,598 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:26,599 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:26,612 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 19:15:26,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:26,799 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:26,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:26,800 INFO L85 PathProgramCache]: Analyzing trace with hash 705133439, now seen corresponding path program 1 times [2025-03-08 19:15:26,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:26,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123860105] [2025-03-08 19:15:26,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:27,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 19:15:27,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 19:15:27,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:27,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:15:27,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:27,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123860105] [2025-03-08 19:15:27,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123860105] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:27,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31325174] [2025-03-08 19:15:27,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:27,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:27,496 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 19:15:27,498 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 19:15:28,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-08 19:15:28,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-08 19:15:28,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:28,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:28,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 4025 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:15:28,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-03-08 19:15:28,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:28,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31325174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:28,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:28,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:28,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412236034] [2025-03-08 19:15:28,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:28,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:28,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:28,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:28,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:28,702 INFO L87 Difference]: Start difference. First operand 1234 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 19:15:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:28,919 INFO L93 Difference]: Finished difference Result 2456 states and 3474 transitions. [2025-03-08 19:15:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:28,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 192 [2025-03-08 19:15:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:28,928 INFO L225 Difference]: With dead ends: 2456 [2025-03-08 19:15:28,928 INFO L226 Difference]: Without dead ends: 1254 [2025-03-08 19:15:28,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 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 19:15:28,932 INFO L435 NwaCegarLoop]: 1143 mSDtfsCounter, 21 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2278 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:28,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2278 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:15:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2025-03-08 19:15:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1236. [2025-03-08 19:15:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 895 states have (on average 1.3486033519553073) internal successors, (1207), 911 states have internal predecessors, (1207), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2025-03-08 19:15:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1742 transitions. [2025-03-08 19:15:28,963 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1742 transitions. Word has length 192 [2025-03-08 19:15:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:28,963 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1742 transitions. [2025-03-08 19:15:28,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 19:15:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1742 transitions. [2025-03-08 19:15:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-08 19:15:28,969 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:28,969 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:28,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 19:15:29,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:29,170 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:29,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:29,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1308303204, now seen corresponding path program 1 times [2025-03-08 19:15:29,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:29,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371108402] [2025-03-08 19:15:29,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:29,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 19:15:29,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 19:15:29,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:29,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-03-08 19:15:29,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:29,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371108402] [2025-03-08 19:15:29,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371108402] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:29,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244945697] [2025-03-08 19:15:29,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:29,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:29,954 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 19:15:29,955 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 19:15:30,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-08 19:15:31,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-08 19:15:31,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:31,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:31,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 19:15:31,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-08 19:15:31,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:31,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244945697] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:31,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:31,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:31,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756936021] [2025-03-08 19:15:31,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:31,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:31,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:31,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:31,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:31,277 INFO L87 Difference]: Start difference. First operand 1236 states and 1742 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2025-03-08 19:15:31,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:31,477 INFO L93 Difference]: Finished difference Result 2488 states and 3525 transitions. [2025-03-08 19:15:31,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:31,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 196 [2025-03-08 19:15:31,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:31,484 INFO L225 Difference]: With dead ends: 2488 [2025-03-08 19:15:31,484 INFO L226 Difference]: Without dead ends: 1284 [2025-03-08 19:15:31,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 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 19:15:31,488 INFO L435 NwaCegarLoop]: 1155 mSDtfsCounter, 13 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2303 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:31,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2303 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:15:31,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2025-03-08 19:15:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2025-03-08 19:15:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 931 states have (on average 1.3523093447905479) internal successors, (1259), 947 states have internal predecessors, (1259), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2025-03-08 19:15:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1818 transitions. [2025-03-08 19:15:31,521 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1818 transitions. Word has length 196 [2025-03-08 19:15:31,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:31,522 INFO L471 AbstractCegarLoop]: Abstraction has 1284 states and 1818 transitions. [2025-03-08 19:15:31,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2025-03-08 19:15:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1818 transitions. [2025-03-08 19:15:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-03-08 19:15:31,527 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:31,527 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:31,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 19:15:31,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:31,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:31,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1758741108, now seen corresponding path program 1 times [2025-03-08 19:15:31,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:31,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933271048] [2025-03-08 19:15:31,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:32,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 19:15:32,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 19:15:32,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:32,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-03-08 19:15:32,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:32,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933271048] [2025-03-08 19:15:32,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933271048] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:32,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542430789] [2025-03-08 19:15:32,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:32,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:32,410 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 19:15:32,411 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 19:15:33,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-03-08 19:15:33,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-03-08 19:15:33,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:33,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:33,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 4050 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 19:15:33,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-03-08 19:15:33,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:33,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542430789] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:33,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:33,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-08 19:15:33,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060060462] [2025-03-08 19:15:33,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:33,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:33,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:33,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:33,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:33,703 INFO L87 Difference]: Start difference. First operand 1284 states and 1818 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 19:15:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:33,874 INFO L93 Difference]: Finished difference Result 2540 states and 3630 transitions. [2025-03-08 19:15:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:33,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 201 [2025-03-08 19:15:33,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:33,882 INFO L225 Difference]: With dead ends: 2540 [2025-03-08 19:15:33,882 INFO L226 Difference]: Without dead ends: 1288 [2025-03-08 19:15:33,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 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 19:15:33,888 INFO L435 NwaCegarLoop]: 1154 mSDtfsCounter, 1 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:33,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2301 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:33,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2025-03-08 19:15:33,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1286. [2025-03-08 19:15:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 933 states have (on average 1.3515541264737405) internal successors, (1261), 949 states have internal predecessors, (1261), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2025-03-08 19:15:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1820 transitions. [2025-03-08 19:15:33,924 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1820 transitions. Word has length 201 [2025-03-08 19:15:33,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:33,926 INFO L471 AbstractCegarLoop]: Abstraction has 1286 states and 1820 transitions. [2025-03-08 19:15:33,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-03-08 19:15:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1820 transitions. [2025-03-08 19:15:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-03-08 19:15:33,932 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:33,932 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:33,949 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 19:15:34,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:34,134 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:34,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:34,134 INFO L85 PathProgramCache]: Analyzing trace with hash -553040993, now seen corresponding path program 1 times [2025-03-08 19:15:34,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:34,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582154524] [2025-03-08 19:15:34,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:34,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:34,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-08 19:15:34,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-08 19:15:34,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:34,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-08 19:15:34,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582154524] [2025-03-08 19:15:34,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582154524] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:15:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731162689] [2025-03-08 19:15:34,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:34,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:34,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:34,958 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:15:34,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 19:15:35,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-03-08 19:15:36,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-03-08 19:15:36,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:36,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:36,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-08 19:15:36,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:15:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-03-08 19:15:36,717 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:15:36,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731162689] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:36,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:15:36,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-08 19:15:36,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509163919] [2025-03-08 19:15:36,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:36,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:15:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:36,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:15:36,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-08 19:15:36,718 INFO L87 Difference]: Start difference. First operand 1286 states and 1820 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-03-08 19:15:36,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:36,883 INFO L93 Difference]: Finished difference Result 2532 states and 3593 transitions. [2025-03-08 19:15:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:15:36,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 261 [2025-03-08 19:15:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:36,887 INFO L225 Difference]: With dead ends: 2532 [2025-03-08 19:15:36,887 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:15:36,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 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 19:15:36,895 INFO L435 NwaCegarLoop]: 1144 mSDtfsCounter, 1000 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:36,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 2287 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:36,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:15:36,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:15:36,896 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 19:15:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:15:36,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 261 [2025-03-08 19:15:36,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:36,897 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:15:36,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2025-03-08 19:15:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:15:36,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:15:36,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:15:36,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-08 19:15:37,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:15:37,103 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:37,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:15:39,221 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:15:39,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:15:39 BoogieIcfgContainer [2025-03-08 19:15:39,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:15:39,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:15:39,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:15:39,231 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:15:39,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:17" (3/4) ... [2025-03-08 19:15:39,233 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_identify [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_command [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_wait [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_write [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-08 19:15:39,238 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_completion [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure device_destroy [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_probe [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure iminor [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure device_create [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure xn [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure xs [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pt_reset [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-03-08 19:15:39,239 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2025-03-08 19:15:39,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 294 nodes and edges [2025-03-08 19:15:39,271 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2025-03-08 19:15:39,273 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2025-03-08 19:15:39,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-08 19:15:39,279 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 19:15:39,281 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 19:15:39,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:15:39,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:15:39,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:15:39,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:15:39,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:15:39,475 INFO L158 Benchmark]: Toolchain (without parser) took 35954.84ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 101.6MB in the beginning and 520.8MB in the end (delta: -419.3MB). Peak memory consumption was 579.0MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,475 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:15:39,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1103.11ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 72.3MB in the end (delta: 29.3MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.71ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 56.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,476 INFO L158 Benchmark]: Boogie Preprocessor took 295.46ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 81.8MB in the end (delta: -25.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,476 INFO L158 Benchmark]: IcfgBuilder took 12437.35ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 81.8MB in the beginning and 139.3MB in the end (delta: -57.5MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,477 INFO L158 Benchmark]: TraceAbstraction took 21736.94ms. Allocated memory was 302.0MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 139.3MB in the beginning and 562.7MB in the end (delta: -423.4MB). Peak memory consumption was 422.9MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,477 INFO L158 Benchmark]: Witness Printer took 242.60ms. Allocated memory is still 1.1GB. Free memory was 562.7MB in the beginning and 520.8MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 19:15:39,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 201.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1103.11ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 72.3MB in the end (delta: 29.3MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.71ms. Allocated memory is still 142.6MB. Free memory was 72.3MB in the beginning and 56.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 295.46ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 81.8MB in the end (delta: -25.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * IcfgBuilder took 12437.35ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 81.8MB in the beginning and 139.3MB in the end (delta: -57.5MB). Peak memory consumption was 153.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21736.94ms. Allocated memory was 302.0MB in the beginning and 1.1GB in the end (delta: 838.9MB). Free memory was 139.3MB in the beginning and 562.7MB in the end (delta: -423.4MB). Peak memory consumption was 422.9MB. Max. memory is 16.1GB. * Witness Printer took 242.60ms. Allocated memory is still 1.1GB. Free memory was 562.7MB in the beginning and 520.8MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3171]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3171] - GenericResultAtLocation [Line: 3179]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] * 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 48 procedures, 887 locations, 1480 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.6s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1648 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1636 mSDsluCounter, 21046 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10320 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 825 IncrementalHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 10726 mSDtfsCounter, 825 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1257 GetRequests, 1234 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1286occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2948 NumberOfCodeBlocks, 2948 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2933 ConstructedInterpolants, 0 QuantifiedInterpolants, 3582 SizeOfPredicates, 1 NumberOfNonLiveVariables, 24625 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1112/1118 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: 4112]: Location Invariant Derived location invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2025-03-08 19:15:39,512 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