./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 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/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-3289d67-m [2024-11-17 02:39:35,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 02:39:35,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-17 02:39:36,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 02:39:36,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 02:39:36,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 02:39:36,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 02:39:36,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 02:39:36,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 02:39:36,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 02:39:36,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 02:39:36,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 02:39:36,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 02:39:36,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 02:39:36,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 02:39:36,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 02:39:36,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 02:39:36,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 02:39:36,047 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 02:39:36,047 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 02:39:36,047 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 02:39:36,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 02:39:36,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 02:39:36,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 02:39:36,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 02:39:36,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 02:39:36,053 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 02:39:36,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 02:39:36,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 02:39:36,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 02:39:36,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 02:39:36,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 02:39:36,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 02:39:36,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 02:39:36,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 02:39:36,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 02:39:36,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 02:39:36,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 02:39:36,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 02:39:36,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-17 02:39:36,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 02:39:36,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 02:39:36,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 02:39:36,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 02:39:36,354 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 02:39:36,356 INFO L431 ainManager$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 [2024-11-17 02:39:37,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 02:39:38,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 02:39:38,295 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 [2024-11-17 02:39:38,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08823d70/7d730aafcfaa4c15a6980b40c9490476/FLAGa1efde896 [2024-11-17 02:39:38,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a08823d70/7d730aafcfaa4c15a6980b40c9490476 [2024-11-17 02:39:38,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 02:39:38,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 02:39:38,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 02:39:38,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 02:39:38,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 02:39:38,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:39:38" (1/1) ... [2024-11-17 02:39:38,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671783fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:38, skipping insertion in model container [2024-11-17 02:39:38,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:39:38" (1/1) ... [2024-11-17 02:39:38,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 02:39:39,021 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,028 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,034 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,038 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,039 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,043 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,044 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,046 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,048 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,051 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,058 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,059 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,061 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,064 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,065 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,073 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,074 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,074 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,088 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,108 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,111 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,112 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,114 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,117 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,118 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,124 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,129 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,129 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,130 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,134 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,137 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,152 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,153 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,153 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,154 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,157 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,157 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,169 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,195 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 02:39:39,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 02:39:39,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 02:39:39,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 02:39:39,442 INFO L204 MainTranslator]: Completed translation [2024-11-17 02:39:39,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39 WrapperNode [2024-11-17 02:39:39,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 02:39:39,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 02:39:39,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 02:39:39,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 02:39:39,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,564 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 917 [2024-11-17 02:39:39,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 02:39:39,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 02:39:39,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 02:39:39,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 02:39:39,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,661 INFO L175 MemorySlicer]: Split 91 memory accesses to 9 slices as follows [10, 2, 2, 3, 10, 4, 12, 22, 26]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 0, 0]. The 50 writes are split as follows [3, 0, 0, 2, 9, 1, 12, 22, 1]. [2024-11-17 02:39:39,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 02:39:39,736 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 02:39:39,739 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 02:39:39,739 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 02:39:39,740 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (1/1) ... [2024-11-17 02:39:39,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 02:39:39,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 02:39:39,780 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) [2024-11-17 02:39:39,783 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 [2024-11-17 02:39:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-17 02:39:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-17 02:39:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-17 02:39:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-17 02:39:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-17 02:39:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-17 02:39:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-17 02:39:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-17 02:39:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-17 02:39:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-17 02:39:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-17 02:39:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-17 02:39:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-17 02:39:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-17 02:39:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-17 02:39:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-17 02:39:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 02:39:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 02:39:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 02:39:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 02:39:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-17 02:39:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-17 02:39:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-17 02:39:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-17 02:39:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-17 02:39:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2024-11-17 02:39:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2024-11-17 02:39:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2024-11-17 02:39:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2024-11-17 02:39:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-11-17 02:39:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-11-17 02:39:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2024-11-17 02:39:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2024-11-17 02:39:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2024-11-17 02:39:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2024-11-17 02:39:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2024-11-17 02:39:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2024-11-17 02:39:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-17 02:39:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-17 02:39:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2024-11-17 02:39:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2024-11-17 02:39:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-17 02:39:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-17 02:39:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-17 02:39:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-17 02:39:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2024-11-17 02:39:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2024-11-17 02:39:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 02:39:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 02:39:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 02:39:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 02:39:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 02:39:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-17 02:39:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-17 02:39:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-17 02:39:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-17 02:39:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-17 02:39:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-17 02:39:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2024-11-17 02:39:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2024-11-17 02:39:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2024-11-17 02:39:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2024-11-17 02:39:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2024-11-17 02:39:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2024-11-17 02:39:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 02:39:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2024-11-17 02:39:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-17 02:39:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 02:39:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-17 02:39:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2024-11-17 02:39:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2024-11-17 02:39:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-17 02:39:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-17 02:39:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-17 02:39:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-17 02:39:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 02:39:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2024-11-17 02:39:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2024-11-17 02:39:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-17 02:39:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-17 02:39:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-17 02:39:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2024-11-17 02:39:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2024-11-17 02:39:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 02:39:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-17 02:39:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-17 02:39:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-17 02:39:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-17 02:39:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-17 02:39:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-17 02:39:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-17 02:39:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-17 02:39:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2024-11-17 02:39:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2024-11-17 02:39:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 02:39:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 02:39:40,247 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 02:39:40,252 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 02:39:40,284 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2807: havoc #t~ret283.base, #t~ret283.offset; [2024-11-17 02:39:40,441 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-17 02:39:40,513 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1788: havoc dev_name_#t~mem58#1.base, dev_name_#t~mem58#1.offset; [2024-11-17 02:39:40,514 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2886: havoc seq_printf_#t~nondet298#1; [2024-11-17 02:39:40,514 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1602: havoc kobject_name_#t~mem10#1.base, kobject_name_#t~mem10#1.offset; [2024-11-17 02:39:40,519 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2826: havoc #t~nondet287; [2024-11-17 02:39:40,664 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1779: havoc #t~mem52;havoc #t~mem53.base, #t~mem53.offset;havoc #t~short54; [2024-11-17 02:39:40,705 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2875: havoc #t~nondet296; [2024-11-17 02:39:40,712 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2858: havoc #t~ret293.base, #t~ret293.offset; [2024-11-17 02:39:40,718 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2815: havoc dev_set_drvdata_#t~nondet285#1; [2024-11-17 02:39:40,778 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1989: call ULTIMATE.dealloc(~#sec~3.base, ~#sec~3.offset);havoc ~#sec~3.base, ~#sec~3.offset; [2024-11-17 02:39:40,783 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2804: havoc #t~nondet282; [2024-11-17 02:39:40,904 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1770: havoc #t~mem42;havoc #t~mem43; [2024-11-17 02:39:40,950 INFO L1250 $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; [2024-11-17 02:39:40,951 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2882: havoc rtc_valid_tm_#t~nondet297#1; [2024-11-17 02:39:45,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2844: havoc ldv_release_3_#t~nondet290#1; [2024-11-17 02:39:45,336 INFO L1250 $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; [2024-11-17 02:39:45,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2848: havoc platform_driver_probe_#t~nondet291#1; [2024-11-17 02:39:45,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2836: havoc ldv_probe_2_#t~nondet288#1; [2024-11-17 02:39:45,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2840: havoc ldv_probe_3_#t~nondet289#1; [2024-11-17 02:39:45,513 INFO L? ?]: Removed 552 outVars from TransFormulas that were not future-live. [2024-11-17 02:39:45,513 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 02:39:45,564 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 02:39:45,568 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 02:39:45,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 02:39:45 BoogieIcfgContainer [2024-11-17 02:39:45,569 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 02:39:45,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 02:39:45,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 02:39:45,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 02:39:45,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:39:38" (1/3) ... [2024-11-17 02:39:45,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67471db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:39:45, skipping insertion in model container [2024-11-17 02:39:45,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:39" (2/3) ... [2024-11-17 02:39:45,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67471db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:39:45, skipping insertion in model container [2024-11-17 02:39:45,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 02:39:45" (3/3) ... [2024-11-17 02:39:45,580 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-17 02:39:45,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 02:39:45,597 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2024-11-17 02:39:45,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 02:39:45,663 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;@70aa90b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 02:39:45,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2024-11-17 02:39:45,669 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) [2024-11-17 02:39:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 02:39:45,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:39:45,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:39:45,681 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)] === [2024-11-17 02:39:45,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:39:45,686 INFO L85 PathProgramCache]: Analyzing trace with hash -895795221, now seen corresponding path program 1 times [2024-11-17 02:39:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 02:39:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381094514] [2024-11-17 02:39:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:39:45,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 02:39:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:39:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 02:39:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:39:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:39:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 02:39:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381094514] [2024-11-17 02:39:46,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381094514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:39:46,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:39:46,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 02:39:46,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557537294] [2024-11-17 02:39:46,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:39:46,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 02:39:46,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 02:39:46,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 02:39:46,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 02:39:46,434 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) [2024-11-17 02:39:50,453 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 [] [2024-11-17 02:39:54,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:39:58,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:02,472 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 [] [2024-11-17 02:40:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:40:04,394 INFO L93 Difference]: Finished difference Result 953 states and 1258 transitions. [2024-11-17 02:40:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 02:40:04,397 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 [2024-11-17 02:40:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:40:04,423 INFO L225 Difference]: With dead ends: 953 [2024-11-17 02:40:04,424 INFO L226 Difference]: Without dead ends: 938 [2024-11-17 02:40:04,425 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 [2024-11-17 02:40:04,427 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 770 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 313 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s 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, 17.8s IncrementalHoareTripleChecker+Time [2024-11-17 02:40:04,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1292 Invalid, 1798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1481 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2024-11-17 02:40:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-17 02:40:04,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 842. [2024-11-17 02:40:04,560 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) [2024-11-17 02:40:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1180 transitions. [2024-11-17 02:40:04,570 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1180 transitions. Word has length 10 [2024-11-17 02:40:04,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:40:04,570 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1180 transitions. [2024-11-17 02:40:04,570 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) [2024-11-17 02:40:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1180 transitions. [2024-11-17 02:40:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 02:40:04,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:40:04,572 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 02:40:04,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 02:40:04,572 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)] === [2024-11-17 02:40:04,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:40:04,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1999847307, now seen corresponding path program 1 times [2024-11-17 02:40:04,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 02:40:04,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594573944] [2024-11-17 02:40:04,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:40:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 02:40:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:04,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 02:40:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 02:40:04,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 02:40:04,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594573944] [2024-11-17 02:40:04,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594573944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:40:04,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:40:04,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 02:40:04,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75313201] [2024-11-17 02:40:04,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:40:04,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 02:40:04,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 02:40:04,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 02:40:04,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 02:40:04,977 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) [2024-11-17 02:40:08,988 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 [] [2024-11-17 02:40:12,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:17,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:21,011 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 [] [2024-11-17 02:40:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:40:22,844 INFO L93 Difference]: Finished difference Result 1241 states and 1798 transitions. [2024-11-17 02:40:22,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 02:40:22,845 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 [2024-11-17 02:40:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:40:22,863 INFO L225 Difference]: With dead ends: 1241 [2024-11-17 02:40:22,863 INFO L226 Difference]: Without dead ends: 1241 [2024-11-17 02:40:22,863 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 [2024-11-17 02:40:22,866 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 500 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1771 mSolverCounterSat, 151 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s 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, 17.7s IncrementalHoareTripleChecker+Time [2024-11-17 02:40:22,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 1597 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1771 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2024-11-17 02:40:22,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-11-17 02:40:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1169. [2024-11-17 02:40:22,929 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) [2024-11-17 02:40:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1786 transitions. [2024-11-17 02:40:22,941 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1786 transitions. Word has length 11 [2024-11-17 02:40:22,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:40:22,941 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1786 transitions. [2024-11-17 02:40:22,942 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) [2024-11-17 02:40:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1786 transitions. [2024-11-17 02:40:22,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 02:40:22,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:40:22,943 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] [2024-11-17 02:40:22,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 02:40:22,944 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)] === [2024-11-17 02:40:22,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:40:22,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2143577274, now seen corresponding path program 1 times [2024-11-17 02:40:22,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 02:40:22,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046762538] [2024-11-17 02:40:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:40:22,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 02:40:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 02:40:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-17 02:40:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:23,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 02:40:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:23,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 02:40:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 02:40:23,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 02:40:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046762538] [2024-11-17 02:40:23,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046762538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:40:23,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:40:23,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 02:40:23,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946582296] [2024-11-17 02:40:23,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:40:23,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 02:40:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 02:40:23,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 02:40:23,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 02:40:23,578 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) [2024-11-17 02:40:27,586 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 [] [2024-11-17 02:40:31,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:35,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:39,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:43,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:40:47,627 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 [] [2024-11-17 02:40:49,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 02:40:49,766 INFO L93 Difference]: Finished difference Result 1515 states and 2291 transitions. [2024-11-17 02:40:49,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 02:40:49,767 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 [2024-11-17 02:40:49,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 02:40:49,776 INFO L225 Difference]: With dead ends: 1515 [2024-11-17 02:40:49,776 INFO L226 Difference]: Without dead ends: 1515 [2024-11-17 02:40:49,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-17 02:40:49,777 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 943 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 352 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s 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, 26.0s IncrementalHoareTripleChecker+Time [2024-11-17 02:40:49,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 1754 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 2192 Invalid, 6 Unknown, 0 Unchecked, 26.0s Time] [2024-11-17 02:40:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2024-11-17 02:40:49,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1197. [2024-11-17 02:40:49,823 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) [2024-11-17 02:40:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1872 transitions. [2024-11-17 02:40:49,831 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1872 transitions. Word has length 27 [2024-11-17 02:40:49,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 02:40:49,832 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1872 transitions. [2024-11-17 02:40:49,832 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) [2024-11-17 02:40:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1872 transitions. [2024-11-17 02:40:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 02:40:49,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 02:40:49,834 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] [2024-11-17 02:40:49,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 02:40:49,835 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)] === [2024-11-17 02:40:49,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 02:40:49,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2026386822, now seen corresponding path program 1 times [2024-11-17 02:40:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 02:40:49,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337653403] [2024-11-17 02:40:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 02:40:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 02:40:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:50,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 02:40:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:50,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-17 02:40:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 02:40:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 02:40:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 02:40:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 02:40:50,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 02:40:50,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337653403] [2024-11-17 02:40:50,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337653403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 02:40:50,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 02:40:50,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 02:40:50,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451161613] [2024-11-17 02:40:50,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 02:40:50,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 02:40:50,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 02:40:50,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 02:40:50,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-17 02:40:50,616 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) [2024-11-17 02:40:54,624 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 [] [2024-11-17 02:40:58,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:41:02,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:41:06,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:41:10,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 02:41:14,646 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 []