./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.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 b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 21:38:27,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 21:38:27,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 21:38:27,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 21:38:27,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 21:38:27,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 21:38:27,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 21:38:27,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 21:38:27,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 21:38:27,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 21:38:27,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 21:38:27,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 21:38:27,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 21:38:27,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 21:38:27,674 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 21:38:27,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 21:38:27,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 21:38:27,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 21:38:27,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 21:38:27,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 21:38:27,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 21:38:27,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 21:38:27,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 21:38:27,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 21:38:27,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 21:38:27,679 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 21:38:27,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 21:38:27,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 21:38:27,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 21:38:27,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:38:27,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 21:38:27,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 21:38:27,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 21:38:27,683 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 21:38:27,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 21:38:27,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 21:38:27,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 21:38:27,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 21:38:27,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 21:38:27,685 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2024-11-16 21:38:27,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 21:38:27,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 21:38:27,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 21:38:27,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 21:38:27,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 21:38:27,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-11-16 21:38:29,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 21:38:29,986 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 21:38:29,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-11-16 21:38:30,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e421113/117e9edc106548fd851b883c6be94592/FLAGfb0c7bc8a [2024-11-16 21:38:30,053 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e421113/117e9edc106548fd851b883c6be94592 [2024-11-16 21:38:30,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 21:38:30,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 21:38:30,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 21:38:30,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 21:38:30,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 21:38:30,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:38:30" (1/1) ... [2024-11-16 21:38:30,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3efb2244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:30, skipping insertion in model container [2024-11-16 21:38:30,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:38:30" (1/1) ... [2024-11-16 21:38:30,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 21:38:31,626 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-11-16 21:38:31,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:38:31,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 21:38:31,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5300] [2024-11-16 21:38:31,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5307] [2024-11-16 21:38:31,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5446] [2024-11-16 21:38:31,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5454] [2024-11-16 21:38:31,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1,%b0": "=a" (_v): "d" (port)); [5637] [2024-11-16 21:38:31,986 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-11-16 21:38:31,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:38:32,235 INFO L204 MainTranslator]: Completed translation [2024-11-16 21:38:32,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32 WrapperNode [2024-11-16 21:38:32,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 21:38:32,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 21:38:32,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 21:38:32,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 21:38:32,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,460 INFO L138 Inliner]: procedures = 152, calls = 711, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1996 [2024-11-16 21:38:32,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 21:38:32,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 21:38:32,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 21:38:32,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 21:38:32,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,665 INFO L175 MemorySlicer]: Split 327 memory accesses to 10 slices as follows [2, 23, 4, 209, 6, 61, 3, 4, 4, 11]. 64 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [2, 23, 0, 0, 0, 0, 2, 2, 2, 8]. The 192 writes are split as follows [0, 0, 2, 125, 4, 61, 0, 0, 0, 0]. [2024-11-16 21:38:32,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,786 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 21:38:32,857 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 21:38:32,858 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 21:38:32,859 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 21:38:32,860 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (1/1) ... [2024-11-16 21:38:32,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:38:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 21:38:32,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 21:38:32,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 21:38:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2024-11-16 21:38:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2024-11-16 21:38:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-16 21:38:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-16 21:38:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 21:38:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 21:38:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 21:38:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2024-11-16 21:38:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 21:38:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 21:38:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 21:38:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 21:38:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 21:38:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 21:38:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-16 21:38:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-16 21:38:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-16 21:38:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 21:38:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 21:38:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 21:38:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 21:38:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-16 21:38:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-16 21:38:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-16 21:38:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-16 21:38:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-16 21:38:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-16 21:38:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2024-11-16 21:38:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2024-11-16 21:38:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2024-11-16 21:38:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2024-11-16 21:38:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-16 21:38:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-16 21:38:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-16 21:38:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-16 21:38:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 21:38:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 21:38:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-16 21:38:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-16 21:38:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2024-11-16 21:38:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2024-11-16 21:38:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 21:38:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 21:38:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 21:38:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 21:38:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 21:38:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 21:38:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 21:38:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 21:38:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2024-11-16 21:38:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-16 21:38:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2024-11-16 21:38:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-16 21:38:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 21:38:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 21:38:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-16 21:38:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2024-11-16 21:38:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2024-11-16 21:38:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 21:38:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-16 21:38:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-16 21:38:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-16 21:38:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 21:38:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 21:38:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 21:38:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 21:38:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 21:38:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 21:38:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 21:38:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-16 21:38:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-16 21:38:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2024-11-16 21:38:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2024-11-16 21:38:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-16 21:38:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-16 21:38:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-16 21:38:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-16 21:38:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 21:38:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2024-11-16 21:38:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2024-11-16 21:38:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-16 21:38:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-16 21:38:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2024-11-16 21:38:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2024-11-16 21:38:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-16 21:38:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-16 21:38:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-16 21:38:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-16 21:38:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-16 21:38:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-16 21:38:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-16 21:38:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-16 21:38:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-16 21:38:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-16 21:38:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-16 21:38:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-16 21:38:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2024-11-16 21:38:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2024-11-16 21:38:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-16 21:38:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-16 21:38:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 21:38:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 21:38:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 21:38:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 21:38:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 21:38:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 21:38:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 21:38:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 21:38:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 21:38:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 21:38:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 21:38:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 21:38:33,421 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 21:38:33,426 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 21:38:33,869 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7352: havoc alloc_etherdev_mqs_#t~ret350#1.base, alloc_etherdev_mqs_#t~ret350#1.offset; [2024-11-16 21:38:33,869 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5314: havoc __fswab16_#t~bitwise1#1; [2024-11-16 21:38:33,869 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5876: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2024-11-16 21:38:33,869 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7413: havoc register_netdev_#t~nondet361#1; [2024-11-16 21:38:34,176 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5713: havoc read_byte_mode6_#t~bitwise80#1; [2024-11-16 21:38:34,176 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5697: havoc read_byte_mode4_#t~bitwise75#1; [2024-11-16 21:38:34,176 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5683: havoc read_byte_mode2_#t~bitwise72#1; [2024-11-16 21:38:34,176 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5667: havoc read_byte_mode0_#t~bitwise67#1; [2024-11-16 21:38:34,178 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-16 21:38:34,402 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6456: call ULTIMATE.dealloc(~#rx_head~0#1.base, ~#rx_head~0#1.offset);havoc ~#rx_head~0#1.base, ~#rx_head~0#1.offset; [2024-11-16 21:38:34,402 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7402: havoc netif_rx_#t~nondet359#1; [2024-11-16 21:38:34,402 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: havoc eth_type_trans_#t~nondet354#1; [2024-11-16 21:38:34,649 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~nondet353; [2024-11-16 21:38:34,693 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7375: havoc #t~nondet355; [2024-11-16 21:38:34,698 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7409: havoc #t~nondet360; [2024-11-16 21:38:34,710 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~nondet352; [2024-11-16 21:38:34,719 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5569: havoc #t~mem41.base, #t~mem41.offset; [2024-11-16 21:38:40,055 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6842: call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2024-11-16 21:38:40,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc ldv_ndo_init_3_#t~nondet356#1; [2024-11-16 21:38:40,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7359: havoc del_timer_sync_#t~nondet351#1; [2024-11-16 21:38:40,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc ldv_ndo_uninit_3_#t~nondet357#1; [2024-11-16 21:38:40,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5812: call ULTIMATE.dealloc(atp_init_~#ports~0#1.base, atp_init_~#ports~0#1.offset);havoc atp_init_~#ports~0#1.base, atp_init_~#ports~0#1.offset; [2024-11-16 21:38:40,056 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7417: havoc request_threaded_irq_#t~nondet362#1; [2024-11-16 21:38:40,425 INFO L? ?]: Removed 777 outVars from TransFormulas that were not future-live. [2024-11-16 21:38:40,425 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 21:38:40,498 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 21:38:40,499 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 21:38:40,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:38:40 BoogieIcfgContainer [2024-11-16 21:38:40,499 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 21:38:40,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 21:38:40,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 21:38:40,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 21:38:40,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:38:30" (1/3) ... [2024-11-16 21:38:40,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6ef901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:38:40, skipping insertion in model container [2024-11-16 21:38:40,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:38:32" (2/3) ... [2024-11-16 21:38:40,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6ef901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:38:40, skipping insertion in model container [2024-11-16 21:38:40,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:38:40" (3/3) ... [2024-11-16 21:38:40,510 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-11-16 21:38:40,526 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 21:38:40,526 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 21:38:40,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 21:38:40,623 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;@fd70364, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 21:38:40,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 21:38:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 951 states, 667 states have (on average 1.3553223388305846) internal successors, (904), 682 states have internal predecessors, (904), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-16 21:38:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-16 21:38:40,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:38:40,685 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-16 21:38:40,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:38:40,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:38:40,691 INFO L85 PathProgramCache]: Analyzing trace with hash 632315556, now seen corresponding path program 1 times [2024-11-16 21:38:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:38:40,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852598595] [2024-11-16 21:38:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:38:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:38:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:38:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:38:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:38:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:38:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:38:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:38:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:38:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 21:38:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:38:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:38:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 21:38:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:38:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:38:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:38:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 21:38:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:38:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:38:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 21:38:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:38:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:38:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:38:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:38:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 21:38:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:38:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:38:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 21:38:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 21:38:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:38:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 21:38:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:38:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 21:38:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 21:38:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-16 21:38:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:38:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:38:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:38:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 21:38:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:38:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:38:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 21:38:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-16 21:38:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:38:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 21:38:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:38:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 21:38:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 21:38:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-16 21:38:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 21:38:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:38:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:38:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 21:38:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 21:38:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 21:38:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 21:38:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-16 21:38:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-16 21:38:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-11-16 21:38:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 21:38:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 21:38:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:38:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 21:38:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:38:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:38:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:38:44,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2024-11-16 21:38:44,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:38:44,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852598595] [2024-11-16 21:38:44,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852598595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:38:44,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:38:44,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:38:44,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140431171] [2024-11-16 21:38:44,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:38:44,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:38:44,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:38:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:38:44,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:38:44,744 INFO L87 Difference]: Start difference. First operand has 951 states, 667 states have (on average 1.3553223388305846) internal successors, (904), 682 states have internal predecessors, (904), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 2 states have internal predecessors, (108), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 21:38:48,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:38:52,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:38:56,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:39:00,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:39:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:39:15,121 INFO L93 Difference]: Finished difference Result 2032 states and 3067 transitions. [2024-11-16 21:39:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 21:39:15,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 2 states have internal predecessors, (108), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 368 [2024-11-16 21:39:15,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:39:15,144 INFO L225 Difference]: With dead ends: 2032 [2024-11-16 21:39:15,144 INFO L226 Difference]: Without dead ends: 1062 [2024-11-16 21:39:15,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-16 21:39:15,162 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 1877 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 1567 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 2951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2024-11-16 21:39:15,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 1260 Invalid, 2951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1567 Valid, 1380 Invalid, 4 Unknown, 0 Unchecked, 29.6s Time] [2024-11-16 21:39:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-16 21:39:15,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 927. [2024-11-16 21:39:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 652 states have (on average 1.3236196319018405) internal successors, (863), 660 states have internal predecessors, (863), 236 states have call successors, (236), 39 states have call predecessors, (236), 38 states have return successors, (235), 233 states have call predecessors, (235), 235 states have call successors, (235) [2024-11-16 21:39:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1334 transitions. [2024-11-16 21:39:15,321 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1334 transitions. Word has length 368 [2024-11-16 21:39:15,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:39:15,324 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1334 transitions. [2024-11-16 21:39:15,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 2 states have internal predecessors, (108), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 21:39:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1334 transitions. [2024-11-16 21:39:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-16 21:39:15,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:39:15,341 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-16 21:39:15,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 21:39:15,341 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:39:15,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:39:15,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1935964745, now seen corresponding path program 1 times [2024-11-16 21:39:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:39:15,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761051930] [2024-11-16 21:39:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:39:15,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:39:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:39:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:39:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:39:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:39:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:39:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:39:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 21:39:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 21:39:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:39:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-16 21:39:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 21:39:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:39:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:39:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:39:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 21:39:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:39:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:39:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 21:39:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 21:39:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:39:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:39:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:39:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 21:39:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:39:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:39:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 21:39:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-16 21:39:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:39:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 21:39:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:39:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 21:39:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 21:39:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 21:39:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:39:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:39:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:39:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-16 21:39:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:39:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:39:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 21:39:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-16 21:39:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:39:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-16 21:39:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 21:39:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-16 21:39:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 21:39:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-16 21:39:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-16 21:39:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-16 21:39:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 21:39:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 21:39:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 21:39:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 21:39:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 21:39:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:39:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:39:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2024-11-16 21:39:19,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:39:19,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761051930] [2024-11-16 21:39:19,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761051930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:39:19,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:39:19,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 21:39:19,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697822475] [2024-11-16 21:39:19,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:39:19,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 21:39:19,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:39:19,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 21:39:19,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 21:39:19,196 INFO L87 Difference]: Start difference. First operand 927 states and 1334 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-16 21:39:23,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:39:27,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:39:31,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:39:35,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []