./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU --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-dev-4fc63b2 [2024-10-31 22:08:43,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:43,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-10-31 22:08:43,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:43,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:43,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:43,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:43,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:43,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:43,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:43,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:43,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:43,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:43,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:43,950 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:43,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:43,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:43,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:43,952 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:08:43,952 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:08:43,953 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:08:43,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:43,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:08:43,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:43,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:43,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:43,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:43,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:43,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:43,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:43,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:43,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:43,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:43,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:43,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:43,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:43,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:43,964 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:43,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:43,965 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 440f273968b34677cc4ba81db9f48373d3cac4b8a75ac1f970ae3fdbbff89c17 [2024-10-31 22:08:44,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:44,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:44,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:44,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:44,303 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:44,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:08:46,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:46,735 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:46,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-10-31 22:08:46,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/data/e17bfd2c1/9eb9a54600754e46a00272eecc5cf697/FLAGed5dea539 [2024-10-31 22:08:46,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/data/e17bfd2c1/9eb9a54600754e46a00272eecc5cf697 [2024-10-31 22:08:46,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:46,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:46,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:46,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:46,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:46,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:46" (1/1) ... [2024-10-31 22:08:46,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d12ff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:46, skipping insertion in model container [2024-10-31 22:08:46,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:46" (1/1) ... [2024-10-31 22:08:46,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:47,517 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,525 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,535 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,536 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,538 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,548 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,551 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,557 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,561 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,568 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,576 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,579 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,583 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,590 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,592 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,607 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,608 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,609 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,625 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,647 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,649 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,652 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,655 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,657 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,661 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,665 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,671 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,675 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,677 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,684 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,694 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,731 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,733 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,737 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,738 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,745 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,746 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,777 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,815 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-10-31 22:08:47,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:47,836 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:48,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:48,175 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:48,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48 WrapperNode [2024-10-31 22:08:48,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:48,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:48,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:48,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:48,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,318 INFO L138 Inliner]: procedures = 118, calls = 369, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 917 [2024-10-31 22:08:48,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:48,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:48,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:48,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:48,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,410 INFO L175 MemorySlicer]: Split 91 memory accesses to 9 slices as follows [2, 3, 2, 4, 10, 26, 10, 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, 0, 1, 9, 1, 3, 12, 22]. [2024-10-31 22:08:48,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:48,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:48,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:48,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:48,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (1/1) ... [2024-10-31 22:08:48,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:48,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:48,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:48,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee608bc-1558-43cd-854e-15d9d9c386a4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-10-31 22:08:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-10-31 22:08:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:08:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:08:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:08:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:08:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:08:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:08:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:08:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:08:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:08:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:08:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:08:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:08:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:08:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:08:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:08:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:08:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:08:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:08:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:08:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:08:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:08:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:08:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:08:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_time_to_tm [2024-10-31 22:08:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_time_to_tm [2024-10-31 22:08:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_proc [2024-10-31 22:08:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_proc [2024-10-31 22:08:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-10-31 22:08:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-10-31 22:08:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure outer_sync [2024-10-31 22:08:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure outer_sync [2024-10-31 22:08:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_remove [2024-10-31 22:08:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_remove [2024-10-31 22:08:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_shutdown [2024-10-31 22:08:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_shutdown [2024-10-31 22:08:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:08:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:08:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_tm_to_time [2024-10-31 22:08:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_tm_to_time [2024-10-31 22:08:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-10-31 22:08:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-10-31 22:08:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:08:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:08:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_alarm [2024-10-31 22:08:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_alarm [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:08:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:08:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:08:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:08:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:08:48,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:08:48,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2024-10-31 22:08:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2024-10-31 22:08:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_alarm_irq_enable [2024-10-31 22:08:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_alarm_irq_enable [2024-10-31 22:08:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_iounmap [2024-10-31 22:08:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_iounmap [2024-10-31 22:08:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:48,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:48,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:08:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure rtc_device_unregister [2024-10-31 22:08:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure rtc_device_unregister [2024-10-31 22:08:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:08:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-10-31 22:08:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-10-31 22:08:48,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:08:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:08:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:08:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:08:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:08:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:08:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:08:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:08:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:08:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-31 22:08:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-31 22:08:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2024-10-31 22:08:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2024-10-31 22:08:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-31 22:08:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-31 22:08:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-10-31 22:08:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-10-31 22:08:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:08:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2024-10-31 22:08:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2024-10-31 22:08:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-10-31 22:08:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-10-31 22:08:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:08:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:08:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_read_time [2024-10-31 22:08:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_read_time [2024-10-31 22:08:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_wait_while_busy [2024-10-31 22:08:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_wait_while_busy [2024-10-31 22:08:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:08:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:08:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:08:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:08:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:08:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:08:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:08:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:08:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-10-31 22:08:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-10-31 22:08:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-31 22:08:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-31 22:08:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure tegra_rtc_set_time [2024-10-31 22:08:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure tegra_rtc_set_time [2024-10-31 22:08:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:49,060 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:49,064 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:49,417 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:08:54,807 INFO L? ?]: Removed 552 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:54,807 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:54,845 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:54,845 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:08:54,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:54 BoogieIcfgContainer [2024-10-31 22:08:54,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:54,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:54,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:54,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:54,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:46" (1/3) ... [2024-10-31 22:08:54,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9b4d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:54, skipping insertion in model container [2024-10-31 22:08:54,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:48" (2/3) ... [2024-10-31 22:08:54,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9b4d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:54, skipping insertion in model container [2024-10-31 22:08:54,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:54" (3/3) ... [2024-10-31 22:08:54,861 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-9ec4f65-1-110_1a-drivers--rtc--rtc-tegra.ko-entry_point.cil.out.i [2024-10-31 22:08:54,879 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:54,880 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2024-10-31 22:08:54,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:54,968 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;@6bcfe61a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:54,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2024-10-31 22:08:54,978 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) [2024-10-31 22:08:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 22:08:54,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:54,990 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,990 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)] === [2024-10-31 22:08:54,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash -433533433, now seen corresponding path program 1 times [2024-10-31 22:08:55,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:55,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706105055] [2024-10-31 22:08:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:55,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:08:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:55,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706105055] [2024-10-31 22:08:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706105055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:55,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:55,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:08:55,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298885524] [2024-10-31 22:08:55,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:55,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:08:55,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:55,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:08:55,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:08:55,985 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 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) [2024-10-31 22:09:00,007 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 [] [2024-10-31 22:09:04,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:09:08,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:09:12,027 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 [] [2024-10-31 22:09:14,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:09:14,847 INFO L93 Difference]: Finished difference Result 936 states and 1241 transitions. [2024-10-31 22:09:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:09:14,849 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 [2024-10-31 22:09:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:09:14,868 INFO L225 Difference]: With dead ends: 936 [2024-10-31 22:09:14,868 INFO L226 Difference]: Without dead ends: 922 [2024-10-31 22:09:14,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:09:14,874 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 756 mSDsluCounter, 898 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 315 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:09:14,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1268 Invalid, 1782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [315 Valid, 1463 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2024-10-31 22:09:14,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-10-31 22:09:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 826. [2024-10-31 22:09:15,029 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) [2024-10-31 22:09:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1164 transitions. [2024-10-31 22:09:15,044 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1164 transitions. Word has length 10 [2024-10-31 22:09:15,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:09:15,052 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1164 transitions. [2024-10-31 22:09:15,052 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) [2024-10-31 22:09:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1164 transitions. [2024-10-31 22:09:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 22:09:15,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:09:15,054 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:15,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:09:15,054 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)] === [2024-10-31 22:09:15,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:15,055 INFO L85 PathProgramCache]: Analyzing trace with hash -554633982, now seen corresponding path program 1 times [2024-10-31 22:09:15,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:15,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49980054] [2024-10-31 22:09:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:15,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:15,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:09:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:15,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:15,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49980054] [2024-10-31 22:09:15,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49980054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:15,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:15,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:09:15,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183323745] [2024-10-31 22:09:15,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:15,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:09:15,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:15,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:09:15,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:09:15,797 INFO L87 Difference]: Start difference. First operand 826 states and 1164 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) [2024-10-31 22:09:19,809 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 [] [2024-10-31 22:09:23,816 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 []