./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 17:20:03,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 17:20:03,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-10 17:20:03,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 17:20:03,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 17:20:03,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 17:20:03,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 17:20:03,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 17:20:03,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 17:20:03,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 17:20:03,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 17:20:03,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 17:20:03,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 17:20:03,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 17:20:03,392 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 17:20:03,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 17:20:03,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 17:20:03,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 17:20:03,393 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 17:20:03,393 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 17:20:03,393 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 17:20:03,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 17:20:03,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 17:20:03,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 17:20:03,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 17:20:03,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 17:20:03,395 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 17:20:03,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 17:20:03,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 17:20:03,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 17:20:03,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:20:03,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 17:20:03,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 17:20:03,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 17:20:03,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 17:20:03,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 17:20:03,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 17:20:03,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 17:20:03,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 17:20:03,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-10 17:20:03,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 17:20:03,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 17:20:03,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 17:20:03,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 17:20:03,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 17:20:03,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-10 17:20:04,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 17:20:05,161 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 17:20:05,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-10 17:20:05,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e488c0f0/e608b3015d044ddf8206253a2dd5bf74/FLAGe0a62949b [2024-11-10 17:20:05,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e488c0f0/e608b3015d044ddf8206253a2dd5bf74 [2024-11-10 17:20:05,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 17:20:05,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 17:20:05,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 17:20:05,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 17:20:05,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 17:20:05,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:20:05" (1/1) ... [2024-11-10 17:20:05,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ac9587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:05, skipping insertion in model container [2024-11-10 17:20:05,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:20:05" (1/1) ... [2024-11-10 17:20:05,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 17:20:05,904 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,905 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,915 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,916 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,918 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,921 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,924 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,927 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,928 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,932 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,936 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,938 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,940 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,945 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,946 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,954 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,956 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,956 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,970 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,980 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,981 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,981 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,983 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,984 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,984 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,991 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,992 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,992 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,993 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,996 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:05,998 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,017 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,018 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,018 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,018 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,025 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,025 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,045 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,057 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 17:20:06,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:20:06,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 17:20:06,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 17:20:06,200 INFO L204 MainTranslator]: Completed translation [2024-11-10 17:20:06,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06 WrapperNode [2024-11-10 17:20:06,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 17:20:06,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 17:20:06,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 17:20:06,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 17:20:06,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,304 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 917 [2024-11-10 17:20:06,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 17:20:06,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 17:20:06,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 17:20:06,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 17:20:06,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,370 INFO L175 MemorySlicer]: Split 91 memory accesses to 9 slices as follows [2, 10, 2, 26, 10, 4, 3, 12, 22]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 50 writes are split as follows [0, 3, 0, 1, 9, 1, 2, 12, 22]. [2024-11-10 17:20:06,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,393 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 17:20:06,414 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 17:20:06,414 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 17:20:06,414 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 17:20:06,415 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (1/1) ... [2024-11-10 17:20:06,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 17:20:06,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 17:20:06,444 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) [2024-11-10 17:20:06,446 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 [2024-11-10 17:20:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-10 17:20:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-10 17:20:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-10 17:20:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-10 17:20:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-10 17:20:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2024-11-10 17:20:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2024-11-10 17:20:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2024-11-10 17:20:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-10 17:20:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-10 17:20:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2024-11-10 17:20:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 17:20:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-10 17:20:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2024-11-10 17:20:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2024-11-10 17:20:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2024-11-10 17:20:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2024-11-10 17:20:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 17:20:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2024-11-10 17:20:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-10 17:20:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-10 17:20:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-10 17:20:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-10 17:20:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2024-11-10 17:20:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2024-11-10 17:20:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-10 17:20:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-10 17:20:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-10 17:20:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-10 17:20:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 17:20:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2024-11-10 17:20:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2024-11-10 17:20:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-10 17:20:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-10 17:20:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-10 17:20:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2024-11-10 17:20:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2024-11-10 17:20:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 17:20:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-10 17:20:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-10 17:20:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2024-11-10 17:20:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2024-11-10 17:20:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 17:20:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 17:20:06,701 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 17:20:06,703 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 17:20:06,725 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807: havoc #t~ret283.base, #t~ret283.offset; [2024-11-10 17:20:06,814 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-10 17:20:06,859 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1788: havoc dev_name_#t~mem58#1.base, dev_name_#t~mem58#1.offset; [2024-11-10 17:20:06,860 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2886: havoc seq_printf_#t~nondet298#1; [2024-11-10 17:20:06,860 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1602: havoc kobject_name_#t~mem10#1.base, kobject_name_#t~mem10#1.offset; [2024-11-10 17:20:06,864 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2826: havoc #t~nondet287; [2024-11-10 17:20:06,971 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1779: havoc #t~mem52;havoc #t~mem53.base, #t~mem53.offset;havoc #t~short54; [2024-11-10 17:20:06,999 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2875: havoc #t~nondet296; [2024-11-10 17:20:07,003 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2858: havoc #t~ret293.base, #t~ret293.offset; [2024-11-10 17:20:07,009 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2815: havoc dev_set_drvdata_#t~nondet285#1; [2024-11-10 17:20:07,069 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1989: call ULTIMATE.dealloc(~#sec~3.base, ~#sec~3.offset);havoc ~#sec~3.base, ~#sec~3.offset; [2024-11-10 17:20:07,072 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2804: havoc #t~nondet282; [2024-11-10 17:20:07,167 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1770: havoc #t~mem42;havoc #t~mem43; [2024-11-10 17:20:07,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1903: call ULTIMATE.dealloc(~#sec~1#1.base, ~#sec~1#1.offset);havoc ~#sec~1#1.base, ~#sec~1#1.offset; [2024-11-10 17:20:07,206 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2882: havoc rtc_valid_tm_#t~nondet297#1; [2024-11-10 17:20:11,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2844: havoc ldv_release_3_#t~nondet290#1; [2024-11-10 17:20:11,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2402: call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2024-11-10 17:20:11,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2848: havoc platform_driver_probe_#t~nondet291#1; [2024-11-10 17:20:11,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2836: havoc ldv_probe_2_#t~nondet288#1; [2024-11-10 17:20:11,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2840: havoc ldv_probe_3_#t~nondet289#1; [2024-11-10 17:20:11,675 INFO L? ?]: Removed 552 outVars from TransFormulas that were not future-live. [2024-11-10 17:20:11,675 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 17:20:11,714 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 17:20:11,715 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 17:20:11,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:20:11 BoogieIcfgContainer [2024-11-10 17:20:11,715 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 17:20:11,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 17:20:11,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 17:20:11,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 17:20:11,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:20:05" (1/3) ... [2024-11-10 17:20:11,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b108b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:20:11, skipping insertion in model container [2024-11-10 17:20:11,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:06" (2/3) ... [2024-11-10 17:20:11,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b108b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:20:11, skipping insertion in model container [2024-11-10 17:20:11,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:20:11" (3/3) ... [2024-11-10 17:20:11,725 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-10 17:20:11,738 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 17:20:11,738 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2024-11-10 17:20:11,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 17:20:11,807 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=None, 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;@6544b31d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 17:20:11,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2024-11-10 17:20:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 598 states, 375 states have (on average 1.5573333333333332) internal successors, (584), 495 states have internal predecessors, (584), 80 states have call successors, (80), 32 states have call predecessors, (80), 31 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 17:20:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 17:20:11,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:20:11,823 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:20:11,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-10 17:20:11,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:20:11,828 INFO L85 PathProgramCache]: Analyzing trace with hash -895795221, now seen corresponding path program 1 times [2024-11-10 17:20:11,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:20:11,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745052930] [2024-11-10 17:20:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:20:11,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:20:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:12,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 17:20:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:20:12,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:20:12,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745052930] [2024-11-10 17:20:12,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745052930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:20:12,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:20:12,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 17:20:12,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084320904] [2024-11-10 17:20:12,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:20:12,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:20:12,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:20:12,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:20:12,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:20:12,474 INFO L87 Difference]: Start difference. First operand has 598 states, 375 states have (on average 1.5573333333333332) internal successors, (584), 495 states have internal predecessors, (584), 80 states have call successors, (80), 32 states have call predecessors, (80), 31 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:20:16,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:20,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:24,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:28,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:29,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:20:29,796 INFO L93 Difference]: Finished difference Result 953 states and 1258 transitions. [2024-11-10 17:20:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:20:29,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-10 17:20:29,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:20:29,816 INFO L225 Difference]: With dead ends: 953 [2024-11-10 17:20:29,816 INFO L226 Difference]: Without dead ends: 938 [2024-11-10 17:20:29,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:20:29,821 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 770 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 313 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 1798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-10 17:20:29,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1292 Invalid, 1798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1481 Invalid, 4 Unknown, 0 Unchecked, 17.2s Time] [2024-11-10 17:20:29,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-10 17:20:29,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 842. [2024-11-10 17:20:29,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 580 states have (on average 1.5586206896551724) internal successors, (904), 694 states have internal predecessors, (904), 110 states have call successors, (110), 31 states have call predecessors, (110), 41 states have return successors, (166), 120 states have call predecessors, (166), 109 states have call successors, (166) [2024-11-10 17:20:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1180 transitions. [2024-11-10 17:20:29,900 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1180 transitions. Word has length 10 [2024-11-10 17:20:29,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:20:29,901 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1180 transitions. [2024-11-10 17:20:29,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:20:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1180 transitions. [2024-11-10 17:20:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 17:20:29,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:20:29,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:20:29,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 17:20:29,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-10 17:20:29,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:20:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1999847307, now seen corresponding path program 1 times [2024-11-10 17:20:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:20:29,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924669121] [2024-11-10 17:20:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:20:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:20:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 17:20:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:20:30,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:20:30,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924669121] [2024-11-10 17:20:30,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924669121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:20:30,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:20:30,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 17:20:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367860305] [2024-11-10 17:20:30,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:20:30,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 17:20:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:20:30,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 17:20:30,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 17:20:30,257 INFO L87 Difference]: Start difference. First operand 842 states and 1180 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:20:34,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:38,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:42,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:46,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:47,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:20:47,685 INFO L93 Difference]: Finished difference Result 1241 states and 1798 transitions. [2024-11-10 17:20:47,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 17:20:47,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-10 17:20:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:20:47,697 INFO L225 Difference]: With dead ends: 1241 [2024-11-10 17:20:47,697 INFO L226 Difference]: Without dead ends: 1241 [2024-11-10 17:20:47,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 17:20:47,698 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 500 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 151 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1771 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-10 17:20:47,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1597 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1771 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2024-11-10 17:20:47,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-11-10 17:20:47,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1169. [2024-11-10 17:20:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 854 states have (on average 1.5925058548009368) internal successors, (1360), 971 states have internal predecessors, (1360), 162 states have call successors, (162), 31 states have call predecessors, (162), 42 states have return successors, (264), 172 states have call predecessors, (264), 161 states have call successors, (264) [2024-11-10 17:20:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1786 transitions. [2024-11-10 17:20:47,780 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1786 transitions. Word has length 11 [2024-11-10 17:20:47,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:20:47,780 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1786 transitions. [2024-11-10 17:20:47,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:20:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1786 transitions. [2024-11-10 17:20:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 17:20:47,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:20:47,782 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:20:47,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 17:20:47,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-10 17:20:47,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:20:47,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2143577274, now seen corresponding path program 1 times [2024-11-10 17:20:47,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:20:47,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296374232] [2024-11-10 17:20:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:20:47,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:20:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 17:20:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:48,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 17:20:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 17:20:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:48,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 17:20:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:20:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 17:20:48,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:20:48,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296374232] [2024-11-10 17:20:48,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296374232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:20:48,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:20:48,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 17:20:48,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634014569] [2024-11-10 17:20:48,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:20:48,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 17:20:48,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:20:48,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 17:20:48,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 17:20:48,177 INFO L87 Difference]: Start difference. First operand 1169 states and 1786 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 17:20:52,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:20:56,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:00,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:04,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:08,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:12,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:21:13,855 INFO L93 Difference]: Finished difference Result 1515 states and 2291 transitions. [2024-11-10 17:21:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 17:21:13,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2024-11-10 17:21:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:21:13,861 INFO L225 Difference]: With dead ends: 1515 [2024-11-10 17:21:13,861 INFO L226 Difference]: Without dead ends: 1515 [2024-11-10 17:21:13,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 17:21:13,862 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 943 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 352 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-11-10 17:21:13,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 1754 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 2192 Invalid, 6 Unknown, 0 Unchecked, 25.6s Time] [2024-11-10 17:21:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2024-11-10 17:21:13,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1197. [2024-11-10 17:21:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 877 states have (on average 1.5917901938426453) internal successors, (1396), 994 states have internal predecessors, (1396), 164 states have call successors, (164), 31 states have call predecessors, (164), 46 states have return successors, (312), 177 states have call predecessors, (312), 163 states have call successors, (312) [2024-11-10 17:21:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1872 transitions. [2024-11-10 17:21:13,893 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1872 transitions. Word has length 27 [2024-11-10 17:21:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:21:13,894 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1872 transitions. [2024-11-10 17:21:13,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 17:21:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1872 transitions. [2024-11-10 17:21:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 17:21:13,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:21:13,896 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-10 17:21:13,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 17:21:13,896 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-10 17:21:13,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:21:13,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2026386822, now seen corresponding path program 1 times [2024-11-10 17:21:13,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:21:13,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493353967] [2024-11-10 17:21:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:21:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:21:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:14,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 17:21:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 17:21:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 17:21:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:14,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 17:21:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 17:21:14,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:21:14,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493353967] [2024-11-10 17:21:14,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493353967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:21:14,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:21:14,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 17:21:14,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95308946] [2024-11-10 17:21:14,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:21:14,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 17:21:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:21:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 17:21:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-10 17:21:14,416 INFO L87 Difference]: Start difference. First operand 1197 states and 1872 transitions. Second operand has 9 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 17:21:18,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:22,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:26,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:30,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:34,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:38,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:42,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 17:21:44,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 17:21:44,717 INFO L93 Difference]: Finished difference Result 2166 states and 3508 transitions. [2024-11-10 17:21:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 17:21:44,718 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2024-11-10 17:21:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 17:21:44,725 INFO L225 Difference]: With dead ends: 2166 [2024-11-10 17:21:44,725 INFO L226 Difference]: Without dead ends: 2166 [2024-11-10 17:21:44,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-10 17:21:44,761 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 1149 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 277 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 2970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2024-11-10 17:21:44,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 2050 Invalid, 2970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 2686 Invalid, 7 Unknown, 0 Unchecked, 30.2s Time] [2024-11-10 17:21:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-11-10 17:21:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2023. [2024-11-10 17:21:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2023 states, 1568 states have (on average 1.625637755102041) internal successors, (2549), 1689 states have internal predecessors, (2549), 297 states have call successors, (297), 31 states have call predecessors, (297), 49 states have return successors, (641), 313 states have call predecessors, (641), 296 states have call successors, (641) [2024-11-10 17:21:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 2023 states and 3487 transitions. [2024-11-10 17:21:44,814 INFO L78 Accepts]: Start accepts. Automaton has 2023 states and 3487 transitions. Word has length 28 [2024-11-10 17:21:44,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 17:21:44,815 INFO L471 AbstractCegarLoop]: Abstraction has 2023 states and 3487 transitions. [2024-11-10 17:21:44,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 17:21:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 3487 transitions. [2024-11-10 17:21:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 17:21:44,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 17:21:44,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 17:21:44,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 17:21:44,820 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-10 17:21:44,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 17:21:44,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1266584483, now seen corresponding path program 1 times [2024-11-10 17:21:44,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 17:21:44,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675823698] [2024-11-10 17:21:44,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 17:21:44,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 17:21:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:44,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 17:21:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 17:21:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 17:21:44,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 17:21:44,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675823698] [2024-11-10 17:21:44,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675823698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 17:21:44,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 17:21:44,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 17:21:44,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523537712] [2024-11-10 17:21:44,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 17:21:44,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 17:21:44,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 17:21:44,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 17:21:44,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 17:21:44,945 INFO L87 Difference]: Start difference. First operand 2023 states and 3487 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 17:21:48,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []