./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 3061b6dc 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.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 08:53:43,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 08:53:43,199 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-19 08:53:43,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 08:53:43,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 08:53:43,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 08:53:43,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 08:53:43,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 08:53:43,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 08:53:43,250 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 08:53:43,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 08:53:43,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 08:53:43,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 08:53:43,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 08:53:43,252 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 08:53:43,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 08:53:43,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 08:53:43,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 08:53:43,256 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-19 08:53:43,256 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-19 08:53:43,256 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-19 08:53:43,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 08:53:43,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 08:53:43,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 08:53:43,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 08:53:43,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 08:53:43,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 08:53:43,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 08:53:43,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 08:53:43,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 08:53:43,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 08:53:43,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 08:53:43,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 08:53:43,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 08:53:43,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 08:53:43,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 08:53:43,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 08:53:43,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 08:53:43,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 08:53:43,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-11-19 08:53:43,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 08:53:43,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 08:53:43,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 08:53:43,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 08:53:43,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 08:53:43,568 INFO L431 ainManager$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 [2024-11-19 08:53:45,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 08:53:45,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 08:53:45,425 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 [2024-11-19 08:53:45,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0f9cd144/967f325720404a98a98d3fe185994f82/FLAG3d6059362 [2024-11-19 08:53:45,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0f9cd144/967f325720404a98a98d3fe185994f82 [2024-11-19 08:53:45,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 08:53:45,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 08:53:45,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 08:53:45,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 08:53:45,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 08:53:45,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:53:45" (1/1) ... [2024-11-19 08:53:45,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cc5454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:45, skipping insertion in model container [2024-11-19 08:53:45,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:53:45" (1/1) ... [2024-11-19 08:53:45,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 08:53:46,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,259 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,270 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,271 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,273 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,281 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,284 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,290 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,291 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,296 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,304 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,305 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,306 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,312 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,314 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,324 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,328 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,337 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,347 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,348 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,352 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,353 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,354 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,366 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,367 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,405 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,406 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,406 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,407 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,413 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,414 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,435 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,468 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-19 08:53:46,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 08:53:46,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 08:53:46,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 08:53:46,726 INFO L204 MainTranslator]: Completed translation [2024-11-19 08:53:46,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46 WrapperNode [2024-11-19 08:53:46,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 08:53:46,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 08:53:46,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 08:53:46,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 08:53:46,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,843 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 917 [2024-11-19 08:53:46,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 08:53:46,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 08:53:46,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 08:53:46,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 08:53:46,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,875 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,943 INFO L175 MemorySlicer]: Split 91 memory accesses to 9 slices as follows [2, 3, 10, 10, 4, 26, 2, 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, 2, 9, 3, 1, 1, 0, 12, 22]. [2024-11-19 08:53:46,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:46,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:47,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:47,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:47,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 08:53:47,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 08:53:47,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 08:53:47,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 08:53:47,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (1/1) ... [2024-11-19 08:53:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 08:53:47,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 08:53:47,070 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) [2024-11-19 08:53:47,072 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 [2024-11-19 08:53:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-19 08:53:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-19 08:53:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 08:53:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 08:53:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 08:53:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 08:53:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 08:53:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 08:53:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 08:53:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2024-11-19 08:53:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2024-11-19 08:53:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2024-11-19 08:53:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2024-11-19 08:53:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-11-19 08:53:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-11-19 08:53:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2024-11-19 08:53:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2024-11-19 08:53:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2024-11-19 08:53:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2024-11-19 08:53:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2024-11-19 08:53:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2024-11-19 08:53:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 08:53:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 08:53:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2024-11-19 08:53:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2024-11-19 08:53:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-19 08:53:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-19 08:53:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 08:53:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 08:53:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2024-11-19 08:53:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2024-11-19 08:53:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 08:53:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 08:53:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 08:53:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 08:53:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 08:53:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 08:53:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 08:53:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 08:53:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 08:53:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 08:53:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 08:53:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2024-11-19 08:53:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2024-11-19 08:53:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2024-11-19 08:53:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2024-11-19 08:53:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2024-11-19 08:53:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2024-11-19 08:53:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 08:53:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 08:53:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 08:53:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 08:53:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2024-11-19 08:53:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2024-11-19 08:53:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 08:53:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-19 08:53:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-19 08:53:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 08:53:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 08:53:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 08:53:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 08:53:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 08:53:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 08:53:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 08:53:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 08:53:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 08:53:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 08:53:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 08:53:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2024-11-19 08:53:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2024-11-19 08:53:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 08:53:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 08:53:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-19 08:53:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-19 08:53:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 08:53:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2024-11-19 08:53:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2024-11-19 08:53:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-19 08:53:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-19 08:53:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 08:53:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 08:53:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2024-11-19 08:53:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2024-11-19 08:53:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2024-11-19 08:53:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2024-11-19 08:53:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 08:53:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 08:53:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 08:53:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 08:53:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 08:53:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 08:53:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 08:53:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 08:53:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 08:53:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-19 08:53:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-19 08:53:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 08:53:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 08:53:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2024-11-19 08:53:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2024-11-19 08:53:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 08:53:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 08:53:47,473 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 08:53:47,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 08:53:47,669 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 08:53:52,704 INFO L? ?]: Removed 552 outVars from TransFormulas that were not future-live. [2024-11-19 08:53:52,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 08:53:52,735 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 08:53:52,738 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 08:53:52,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:53:52 BoogieIcfgContainer [2024-11-19 08:53:52,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 08:53:52,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 08:53:52,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 08:53:52,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 08:53:52,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:53:45" (1/3) ... [2024-11-19 08:53:52,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6606664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:53:52, skipping insertion in model container [2024-11-19 08:53:52,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:53:46" (2/3) ... [2024-11-19 08:53:52,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6606664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:53:52, skipping insertion in model container [2024-11-19 08:53:52,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:53:52" (3/3) ... [2024-11-19 08:53:52,748 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-11-19 08:53:52,762 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 08:53:52,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2024-11-19 08:53:52,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 08:53:52,826 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;@4a2a118a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 08:53:52,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2024-11-19 08:53:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 587 states, 364 states have (on average 1.5741758241758241) internal successors, (573), 484 states have internal predecessors, (573), 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) [2024-11-19 08:53:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 08:53:52,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:53:52,848 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:53:52,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:53:52,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:53:52,856 INFO L85 PathProgramCache]: Analyzing trace with hash -433533433, now seen corresponding path program 1 times [2024-11-19 08:53:52,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:53:52,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187604182] [2024-11-19 08:53:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:53:52,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:53:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:53:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:53:53,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:53:53,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187604182] [2024-11-19 08:53:53,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187604182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:53:53,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:53:53,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:53:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803720896] [2024-11-19 08:53:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:53:53,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 08:53:53,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:53:53,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 08:53:53,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:53:53,675 INFO L87 Difference]: Start difference. First operand has 587 states, 364 states have (on average 1.5741758241758241) internal successors, (573), 484 states have internal predecessors, (573), 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 5 states, 4 states have (on average 2.0) 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) [2024-11-19 08:53:57,696 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 [] [2024-11-19 08:54:01,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:05,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:07,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:54:07,031 INFO L93 Difference]: Finished difference Result 936 states and 1241 transitions. [2024-11-19 08:54:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 08:54:07,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) 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 [2024-11-19 08:54:07,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:54:07,054 INFO L225 Difference]: With dead ends: 936 [2024-11-19 08:54:07,054 INFO L226 Difference]: Without dead ends: 922 [2024-11-19 08:54:07,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 08:54:07,058 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 496 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 159 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-19 08:54:07,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1645 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1087 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2024-11-19 08:54:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-11-19 08:54:07,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 826. [2024-11-19 08:54:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 564 states have (on average 1.574468085106383) internal successors, (888), 678 states have internal predecessors, (888), 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) [2024-11-19 08:54:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1164 transitions. [2024-11-19 08:54:07,184 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1164 transitions. Word has length 10 [2024-11-19 08:54:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:54:07,184 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1164 transitions. [2024-11-19 08:54:07,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) 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) [2024-11-19 08:54:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1164 transitions. [2024-11-19 08:54:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 08:54:07,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:54:07,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 08:54:07,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 08:54:07,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:54:07,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:54:07,187 INFO L85 PathProgramCache]: Analyzing trace with hash -554633982, now seen corresponding path program 1 times [2024-11-19 08:54:07,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:54:07,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855610587] [2024-11-19 08:54:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:54:07,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:54:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:54:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:54:07,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:54:07,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855610587] [2024-11-19 08:54:07,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855610587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:54:07,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:54:07,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:54:07,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514053123] [2024-11-19 08:54:07,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:54:07,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 08:54:07,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:54:07,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 08:54:07,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:54:07,578 INFO L87 Difference]: Start difference. First operand 826 states and 1164 transitions. Second operand has 5 states, 4 states have (on average 2.25) 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) [2024-11-19 08:54:11,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:15,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:19,600 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 [] [2024-11-19 08:54:20,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:54:20,756 INFO L93 Difference]: Finished difference Result 1215 states and 1772 transitions. [2024-11-19 08:54:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 08:54:20,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) 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 [2024-11-19 08:54:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:54:20,763 INFO L225 Difference]: With dead ends: 1215 [2024-11-19 08:54:20,764 INFO L226 Difference]: Without dead ends: 1215 [2024-11-19 08:54:20,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 08:54:20,765 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 486 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 141 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-19 08:54:20,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 1786 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1129 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-19 08:54:20,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-11-19 08:54:20,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1143. [2024-11-19 08:54:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 828 states have (on average 1.6111111111111112) internal successors, (1334), 945 states have internal predecessors, (1334), 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) [2024-11-19 08:54:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1760 transitions. [2024-11-19 08:54:20,816 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1760 transitions. Word has length 11 [2024-11-19 08:54:20,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:54:20,817 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1760 transitions. [2024-11-19 08:54:20,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) 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) [2024-11-19 08:54:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1760 transitions. [2024-11-19 08:54:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 08:54:20,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:54:20,819 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] [2024-11-19 08:54:20,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 08:54:20,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:54:20,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:54:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash -944410671, now seen corresponding path program 1 times [2024-11-19 08:54:20,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:54:20,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935734676] [2024-11-19 08:54:20,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:54:20,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:54:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:54:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:54:21,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:54:21,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935734676] [2024-11-19 08:54:21,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935734676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:54:21,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:54:21,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:54:21,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731414763] [2024-11-19 08:54:21,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:54:21,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:54:21,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:54:21,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:54:21,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:54:21,025 INFO L87 Difference]: Start difference. First operand 1143 states and 1760 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-19 08:54:25,034 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 [] [2024-11-19 08:54:25,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:54:25,091 INFO L93 Difference]: Finished difference Result 2227 states and 3432 transitions. [2024-11-19 08:54:25,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:54:25,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 24 [2024-11-19 08:54:25,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:54:25,104 INFO L225 Difference]: With dead ends: 2227 [2024-11-19 08:54:25,104 INFO L226 Difference]: Without dead ends: 2227 [2024-11-19 08:54:25,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:54:25,105 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 659 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 08:54:25,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1396 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 08:54:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2024-11-19 08:54:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2115. [2024-11-19 08:54:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1607 states have (on average 1.6166770379589297) internal successors, (2598), 1731 states have internal predecessors, (2598), 315 states have call successors, (315), 60 states have call predecessors, (315), 82 states have return successors, (515), 335 states have call predecessors, (515), 314 states have call successors, (515) [2024-11-19 08:54:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 3428 transitions. [2024-11-19 08:54:25,206 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 3428 transitions. Word has length 24 [2024-11-19 08:54:25,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:54:25,206 INFO L471 AbstractCegarLoop]: Abstraction has 2115 states and 3428 transitions. [2024-11-19 08:54:25,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-19 08:54:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 3428 transitions. [2024-11-19 08:54:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 08:54:25,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:54:25,212 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] [2024-11-19 08:54:25,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 08:54:25,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:54:25,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:54:25,213 INFO L85 PathProgramCache]: Analyzing trace with hash 375464628, now seen corresponding path program 1 times [2024-11-19 08:54:25,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:54:25,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881519291] [2024-11-19 08:54:25,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:54:25,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:54:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:54:25,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 08:54:25,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:54:25,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881519291] [2024-11-19 08:54:25,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881519291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:54:25,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:54:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 08:54:25,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047145350] [2024-11-19 08:54:25,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:54:25,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 08:54:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:54:25,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 08:54:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 08:54:25,602 INFO L87 Difference]: Start difference. First operand 2115 states and 3428 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) 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) [2024-11-19 08:54:29,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:33,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:37,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:41,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:54:45,630 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 [] [2024-11-19 08:54:47,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:54:47,612 INFO L93 Difference]: Finished difference Result 2690 states and 4413 transitions. [2024-11-19 08:54:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 08:54:47,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) 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 [2024-11-19 08:54:47,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:54:47,627 INFO L225 Difference]: With dead ends: 2690 [2024-11-19 08:54:47,627 INFO L226 Difference]: Without dead ends: 2690 [2024-11-19 08:54:47,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 08:54:47,629 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 672 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 168 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2024-11-19 08:54:47,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 2805 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 2118 Invalid, 5 Unknown, 0 Unchecked, 21.9s Time] [2024-11-19 08:54:47,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-11-19 08:54:47,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2172. [2024-11-19 08:54:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 1653 states have (on average 1.6158499697519662) internal successors, (2671), 1778 states have internal predecessors, (2671), 319 states have call successors, (319), 60 states have call predecessors, (319), 90 states have return successors, (611), 345 states have call predecessors, (611), 318 states have call successors, (611) [2024-11-19 08:54:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 3601 transitions. [2024-11-19 08:54:47,762 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 3601 transitions. Word has length 27 [2024-11-19 08:54:47,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:54:47,763 INFO L471 AbstractCegarLoop]: Abstraction has 2172 states and 3601 transitions. [2024-11-19 08:54:47,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) 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) [2024-11-19 08:54:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3601 transitions. [2024-11-19 08:54:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 08:54:47,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:54:47,767 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] [2024-11-19 08:54:47,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 08:54:47,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:54:47,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:54:47,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1245497867, now seen corresponding path program 1 times [2024-11-19 08:54:47,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:54:47,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853772314] [2024-11-19 08:54:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:54:47,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:54:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:54:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 08:54:48,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:54:48,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853772314] [2024-11-19 08:54:48,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853772314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:54:48,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:54:48,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 08:54:48,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706897162] [2024-11-19 08:54:48,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:54:48,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 08:54:48,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:54:48,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 08:54:48,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 08:54:48,330 INFO L87 Difference]: Start difference. First operand 2172 states and 3601 transitions. Second operand has 8 states, 6 states have (on average 2.8333333333333335) 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) [2024-11-19 08:54:52,339 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 [] [2024-11-19 08:54:56,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:55:00,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:55:04,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:55:08,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 08:55:12,367 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 [] [2024-11-19 08:55:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:55:14,802 INFO L93 Difference]: Finished difference Result 3893 states and 6756 transitions. [2024-11-19 08:55:14,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 08:55:14,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.8333333333333335) 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 [2024-11-19 08:55:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:55:14,827 INFO L225 Difference]: With dead ends: 3893 [2024-11-19 08:55:14,827 INFO L226 Difference]: Without dead ends: 3893 [2024-11-19 08:55:14,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 08:55:14,828 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 1107 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 242 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2024-11-19 08:55:14,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 2699 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2260 Invalid, 6 Unknown, 0 Unchecked, 26.3s Time] [2024-11-19 08:55:14,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3893 states. [2024-11-19 08:55:14,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3893 to 3745. [2024-11-19 08:55:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 2960 states have (on average 1.649662162162162) internal successors, (4883), 3094 states have internal predecessors, (4883), 580 states have call successors, (580), 60 states have call predecessors, (580), 96 states have return successors, (1259), 612 states have call predecessors, (1259), 579 states have call successors, (1259) [2024-11-19 08:55:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 6722 transitions. [2024-11-19 08:55:14,967 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 6722 transitions. Word has length 28 [2024-11-19 08:55:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:55:14,967 INFO L471 AbstractCegarLoop]: Abstraction has 3745 states and 6722 transitions. [2024-11-19 08:55:14,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.8333333333333335) 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) [2024-11-19 08:55:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 6722 transitions. [2024-11-19 08:55:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 08:55:14,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:55:14,969 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, 1, 1] [2024-11-19 08:55:14,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 08:55:14,970 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting tegra_rtc_procErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:55:14,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:55:14,971 INFO L85 PathProgramCache]: Analyzing trace with hash 549932806, now seen corresponding path program 1 times [2024-11-19 08:55:14,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:55:14,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823437714] [2024-11-19 08:55:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:55:14,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:55:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:55:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:55:15,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:55:15,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823437714] [2024-11-19 08:55:15,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823437714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:55:15,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:55:15,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 08:55:15,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246884577] [2024-11-19 08:55:15,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:55:15,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 08:55:15,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:55:15,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 08:55:15,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:55:15,138 INFO L87 Difference]: Start difference. First operand 3745 states and 6722 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 08:55:15,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 08:55:15,164 INFO L93 Difference]: Finished difference Result 2353 states and 4006 transitions. [2024-11-19 08:55:15,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 08:55:15,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-19 08:55:15,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 08:55:15,176 INFO L225 Difference]: With dead ends: 2353 [2024-11-19 08:55:15,176 INFO L226 Difference]: Without dead ends: 2353 [2024-11-19 08:55:15,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 08:55:15,177 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 442 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 08:55:15,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 448 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 08:55:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2024-11-19 08:55:15,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2353. [2024-11-19 08:55:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2353 states, 1852 states have (on average 1.4854211663066954) internal successors, (2751), 1908 states have internal predecessors, (2751), 374 states have call successors, (374), 48 states have call predecessors, (374), 78 states have return successors, (881), 400 states have call predecessors, (881), 373 states have call successors, (881) [2024-11-19 08:55:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 4006 transitions. [2024-11-19 08:55:15,257 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 4006 transitions. Word has length 28 [2024-11-19 08:55:15,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 08:55:15,257 INFO L471 AbstractCegarLoop]: Abstraction has 2353 states and 4006 transitions. [2024-11-19 08:55:15,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 08:55:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 4006 transitions. [2024-11-19 08:55:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 08:55:15,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 08:55:15,259 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, 1] [2024-11-19 08:55:15,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 08:55:15,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ldv_irq_1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ldv_irq_1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 108 more)] === [2024-11-19 08:55:15,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 08:55:15,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1652206330, now seen corresponding path program 1 times [2024-11-19 08:55:15,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 08:55:15,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454347269] [2024-11-19 08:55:15,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 08:55:15,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 08:55:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 08:55:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 08:55:15,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 08:55:15,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454347269] [2024-11-19 08:55:15,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454347269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 08:55:15,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 08:55:15,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 08:55:15,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395714313] [2024-11-19 08:55:15,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 08:55:15,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 08:55:15,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 08:55:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 08:55:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 08:55:15,572 INFO L87 Difference]: Start difference. First operand 2353 states and 4006 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-19 08:55:19,579 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 []