/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 11:55:56,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 11:55:56,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 11:55:56,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 11:55:56,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 11:55:56,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 11:55:56,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 11:55:56,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 11:55:56,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 11:55:56,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 11:55:56,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 11:55:56,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 11:55:56,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 11:55:56,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 11:55:56,837 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 11:55:56,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 11:55:56,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 11:55:56,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 11:55:56,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 11:55:56,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 11:55:56,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 11:55:56,839 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 11:55:56,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 11:55:56,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 11:55:56,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 11:55:56,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 11:55:56,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 11:55:56,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 11:55:56,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 11:55:56,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 11:55:56,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 11:55:56,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:55:56,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 11:55:56,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 11:55:56,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 11:55:56,843 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 11:55:56,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 11:55:56,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 11:55:56,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 11:55:56,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 11:55:56,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 11:55:56,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 11:55:57,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 11:55:57,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 11:55:57,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 11:55:57,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 11:55:57,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 11:55:57,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-06 11:55:58,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 11:55:59,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 11:55:59,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-06 11:55:59,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b70d53c3/df4ddefda6ce4e4c9a742b31a17b2470/FLAG9b088dd24 [2024-11-06 11:55:59,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b70d53c3/df4ddefda6ce4e4c9a742b31a17b2470 [2024-11-06 11:55:59,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 11:55:59,574 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 11:55:59,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 11:55:59,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 11:55:59,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 11:55:59,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:55:59" (1/1) ... [2024-11-06 11:55:59,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3b5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:55:59, skipping insertion in model container [2024-11-06 11:55:59,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:55:59" (1/1) ... [2024-11-06 11:55:59,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:56:00,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-06 11:56:00,732 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,739 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,747 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,756 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,877 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,912 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,915 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,920 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,921 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,947 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:00,954 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,002 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,002 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,009 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,010 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,010 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,010 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,095 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,144 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:56:01,185 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 11:56:01,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 11:56:01,344 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-06 11:56:01,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,350 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,351 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,351 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,353 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,361 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,374 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,375 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,376 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,387 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,392 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,393 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,403 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,403 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,404 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,407 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 11:56:01,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:56:01,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 11:56:01,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-06 11:56:01,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-11-06 11:56:01,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 11:56:01,830 INFO L204 MainTranslator]: Completed translation [2024-11-06 11:56:01,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01 WrapperNode [2024-11-06 11:56:01,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 11:56:01,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 11:56:01,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 11:56:01,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 11:56:01,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:01,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:01,992 INFO L138 Inliner]: procedures = 139, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1112 [2024-11-06 11:56:01,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 11:56:01,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 11:56:01,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 11:56:01,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 11:56:02,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,233 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 121, 8, 18, 7, 2, 3, 8, 19, 44]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 34, 8, 15, 0, 0, 0, 8, 0, 0]. The 97 writes are split as follows [0, 25, 0, 1, 6, 1, 1, 0, 19, 44]. [2024-11-06 11:56:02,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 11:56:02,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 11:56:02,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 11:56:02,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 11:56:02,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (1/1) ... [2024-11-06 11:56:02,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 11:56:02,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:02,442 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) [2024-11-06 11:56:02,451 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 [2024-11-06 11:56:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 11:56:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 11:56:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 11:56:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 11:56:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 11:56:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 11:56:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 11:56:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 11:56:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-06 11:56:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-06 11:56:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 11:56:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 11:56:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 11:56:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 11:56:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 11:56:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-06 11:56:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-06 11:56:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 11:56:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 11:56:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 11:56:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 11:56:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 11:56:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 11:56:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 11:56:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-06 11:56:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-06 11:56:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-06 11:56:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-06 11:56:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-06 11:56:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-06 11:56:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-06 11:56:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 11:56:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 11:56:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-06 11:56:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-06 11:56:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 11:56:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 11:56:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-06 11:56:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-06 11:56:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 11:56:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 11:56:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 11:56:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 11:56:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 11:56:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 11:56:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 11:56:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 11:56:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-06 11:56:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-06 11:56:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 11:56:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 11:56:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 11:56:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 11:56:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 11:56:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 11:56:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 11:56:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 11:56:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-06 11:56:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-06 11:56:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 11:56:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 11:56:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-06 11:56:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-06 11:56:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-06 11:56:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-06 11:56:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-06 11:56:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-06 11:56:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-06 11:56:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-06 11:56:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-06 11:56:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-06 11:56:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 11:56:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-06 11:56:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 11:56:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-06 11:56:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-06 11:56:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-06 11:56:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-06 11:56:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-06 11:56:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-06 11:56:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-06 11:56:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-06 11:56:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-06 11:56:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-06 11:56:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-06 11:56:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-06 11:56:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-06 11:56:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-06 11:56:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-06 11:56:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-06 11:56:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-06 11:56:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-06 11:56:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-06 11:56:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 11:56:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-06 11:56:02,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-06 11:56:02,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 11:56:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 11:56:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 11:56:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 11:56:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 11:56:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 11:56:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 11:56:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-06 11:56:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-06 11:56:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-06 11:56:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-06 11:56:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-06 11:56:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 11:56:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-06 11:56:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-06 11:56:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-06 11:56:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-06 11:56:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-06 11:56:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 11:56:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 11:56:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 11:56:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 11:56:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-06 11:56:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-06 11:56:03,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 11:56:03,191 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 11:56:03,221 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 11:56:20,504 INFO L? ?]: Removed 575 outVars from TransFormulas that were not future-live. [2024-11-06 11:56:20,504 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 11:56:20,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 11:56:20,531 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-06 11:56:20,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:56:20 BoogieIcfgContainer [2024-11-06 11:56:20,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 11:56:20,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 11:56:20,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 11:56:20,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 11:56:20,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:55:59" (1/3) ... [2024-11-06 11:56:20,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c7230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:56:20, skipping insertion in model container [2024-11-06 11:56:20,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:56:01" (2/3) ... [2024-11-06 11:56:20,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c7230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:56:20, skipping insertion in model container [2024-11-06 11:56:20,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:56:20" (3/3) ... [2024-11-06 11:56:20,539 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-06 11:56:20,557 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 11:56:20,557 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 11:56:20,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 11:56:20,662 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26d8de67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 11:56:20,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 11:56:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 324 states, 249 states have (on average 1.3734939759036144) internal successors, (342), 260 states have internal predecessors, (342), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-06 11:56:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-06 11:56:20,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:20,687 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:20,688 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:20,696 INFO L85 PathProgramCache]: Analyzing trace with hash -848970525, now seen corresponding path program 1 times [2024-11-06 11:56:20,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:20,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496317279] [2024-11-06 11:56:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:20,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:20,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:20,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:20,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 11:56:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:22,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:56:22,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:56:22,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:22,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:22,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496317279] [2024-11-06 11:56:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496317279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:22,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:22,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:56:22,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503186337] [2024-11-06 11:56:22,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:22,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:56:22,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:22,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:56:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:22,590 INFO L87 Difference]: Start difference. First operand has 324 states, 249 states have (on average 1.3734939759036144) internal successors, (342), 260 states have internal predecessors, (342), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-06 11:56:26,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:56:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:56:27,092 INFO L93 Difference]: Finished difference Result 920 states and 1303 transitions. [2024-11-06 11:56:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:56:27,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-06 11:56:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:56:27,113 INFO L225 Difference]: With dead ends: 920 [2024-11-06 11:56:27,114 INFO L226 Difference]: Without dead ends: 585 [2024-11-06 11:56:27,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:27,123 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 379 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-06 11:56:27,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 853 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-06 11:56:27,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-06 11:56:27,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2024-11-06 11:56:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 458 states have (on average 1.3449781659388647) internal successors, (616), 468 states have internal predecessors, (616), 86 states have call successors, (86), 41 states have call predecessors, (86), 40 states have return successors, (85), 83 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-06 11:56:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 787 transitions. [2024-11-06 11:56:27,225 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 787 transitions. Word has length 42 [2024-11-06 11:56:27,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:56:27,225 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 787 transitions. [2024-11-06 11:56:27,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-06 11:56:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 787 transitions. [2024-11-06 11:56:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-06 11:56:27,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:27,229 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:27,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 11:56:27,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:27,430 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:27,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:27,433 INFO L85 PathProgramCache]: Analyzing trace with hash 131121062, now seen corresponding path program 1 times [2024-11-06 11:56:27,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:27,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1025701356] [2024-11-06 11:56:27,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:27,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:27,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:27,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 11:56:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:28,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 11:56:28,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 11:56:30,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:30,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:30,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025701356] [2024-11-06 11:56:30,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025701356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:30,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:30,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 11:56:30,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135449982] [2024-11-06 11:56:30,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:30,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 11:56:30,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:30,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 11:56:30,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 11:56:30,430 INFO L87 Difference]: Start difference. First operand 585 states and 787 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:56:31,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:56:31,352 INFO L93 Difference]: Finished difference Result 1150 states and 1558 transitions. [2024-11-06 11:56:31,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 11:56:31,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-11-06 11:56:31,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:56:31,368 INFO L225 Difference]: With dead ends: 1150 [2024-11-06 11:56:31,368 INFO L226 Difference]: Without dead ends: 1141 [2024-11-06 11:56:31,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 11:56:31,373 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 380 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 11:56:31,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1630 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 11:56:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-06 11:56:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1133. [2024-11-06 11:56:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 887 states have (on average 1.3483652762119505) internal successors, (1196), 907 states have internal predecessors, (1196), 167 states have call successors, (167), 79 states have call predecessors, (167), 78 states have return successors, (174), 162 states have call predecessors, (174), 166 states have call successors, (174) [2024-11-06 11:56:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1537 transitions. [2024-11-06 11:56:31,475 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1537 transitions. Word has length 52 [2024-11-06 11:56:31,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:56:31,476 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1537 transitions. [2024-11-06 11:56:31,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-06 11:56:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1537 transitions. [2024-11-06 11:56:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-06 11:56:31,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:31,492 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:31,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-06 11:56:31,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:31,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:31,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash 624178865, now seen corresponding path program 1 times [2024-11-06 11:56:31,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:31,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353275857] [2024-11-06 11:56:31,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:31,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:31,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:31,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 11:56:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:33,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:56:33,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-06 11:56:33,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:33,279 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:33,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353275857] [2024-11-06 11:56:33,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353275857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:33,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:33,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:56:33,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520667525] [2024-11-06 11:56:33,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:33,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:56:33,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:33,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:56:33,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:33,281 INFO L87 Difference]: Start difference. First operand 1133 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-06 11:56:33,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:56:33,834 INFO L93 Difference]: Finished difference Result 2476 states and 3381 transitions. [2024-11-06 11:56:33,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:56:33,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-11-06 11:56:33,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:56:33,848 INFO L225 Difference]: With dead ends: 2476 [2024-11-06 11:56:33,848 INFO L226 Difference]: Without dead ends: 1363 [2024-11-06 11:56:33,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:33,857 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 115 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-06 11:56:33,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 804 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-06 11:56:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2024-11-06 11:56:33,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1354. [2024-11-06 11:56:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1085 states have (on average 1.3723502304147466) internal successors, (1489), 1105 states have internal predecessors, (1489), 180 states have call successors, (180), 89 states have call predecessors, (180), 88 states have return successors, (187), 175 states have call predecessors, (187), 179 states have call successors, (187) [2024-11-06 11:56:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1856 transitions. [2024-11-06 11:56:33,945 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1856 transitions. Word has length 162 [2024-11-06 11:56:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:56:33,945 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 1856 transitions. [2024-11-06 11:56:33,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-06 11:56:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1856 transitions. [2024-11-06 11:56:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-06 11:56:33,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:33,957 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:33,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 11:56:34,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:34,162 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:34,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:34,163 INFO L85 PathProgramCache]: Analyzing trace with hash -336755377, now seen corresponding path program 1 times [2024-11-06 11:56:34,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:34,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2075234280] [2024-11-06 11:56:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:34,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:34,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:34,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:34,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 11:56:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:35,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:56:35,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-06 11:56:36,241 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:36,241 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:36,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075234280] [2024-11-06 11:56:36,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075234280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:36,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:36,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:56:36,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297008641] [2024-11-06 11:56:36,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:36,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:56:36,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:36,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:56:36,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:36,244 INFO L87 Difference]: Start difference. First operand 1354 states and 1856 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-06 11:56:40,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:56:40,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:56:40,895 INFO L93 Difference]: Finished difference Result 3696 states and 5061 transitions. [2024-11-06 11:56:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:56:40,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 184 [2024-11-06 11:56:40,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:56:40,913 INFO L225 Difference]: With dead ends: 3696 [2024-11-06 11:56:40,913 INFO L226 Difference]: Without dead ends: 2373 [2024-11-06 11:56:40,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:40,922 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 360 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-06 11:56:40,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 876 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-06 11:56:40,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2024-11-06 11:56:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2364. [2024-11-06 11:56:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 1881 states have (on average 1.3572567783094098) internal successors, (2553), 1921 states have internal predecessors, (2553), 320 states have call successors, (320), 163 states have call predecessors, (320), 162 states have return successors, (331), 311 states have call predecessors, (331), 319 states have call successors, (331) [2024-11-06 11:56:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3204 transitions. [2024-11-06 11:56:41,113 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3204 transitions. Word has length 184 [2024-11-06 11:56:41,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:56:41,115 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3204 transitions. [2024-11-06 11:56:41,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-06 11:56:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3204 transitions. [2024-11-06 11:56:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-06 11:56:41,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:41,121 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:41,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 11:56:41,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:41,323 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:41,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:41,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1472563261, now seen corresponding path program 1 times [2024-11-06 11:56:41,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:41,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470901777] [2024-11-06 11:56:41,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:41,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:41,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:41,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:41,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 11:56:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:42,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 11:56:42,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-06 11:56:42,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:42,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:42,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470901777] [2024-11-06 11:56:42,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470901777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:42,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:42,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 11:56:42,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554332881] [2024-11-06 11:56:42,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:42,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 11:56:42,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:42,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 11:56:42,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:42,916 INFO L87 Difference]: Start difference. First operand 2364 states and 3204 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 11:56:43,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:56:43,061 INFO L93 Difference]: Finished difference Result 3551 states and 4840 transitions. [2024-11-06 11:56:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 11:56:43,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 184 [2024-11-06 11:56:43,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:56:43,078 INFO L225 Difference]: With dead ends: 3551 [2024-11-06 11:56:43,078 INFO L226 Difference]: Without dead ends: 2372 [2024-11-06 11:56:43,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 11:56:43,085 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 3 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 11:56:43,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 828 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 11:56:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2024-11-06 11:56:43,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2372. [2024-11-06 11:56:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 1889 states have (on average 1.3557437797776601) internal successors, (2561), 1929 states have internal predecessors, (2561), 320 states have call successors, (320), 163 states have call predecessors, (320), 162 states have return successors, (331), 311 states have call predecessors, (331), 319 states have call successors, (331) [2024-11-06 11:56:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3212 transitions. [2024-11-06 11:56:43,210 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3212 transitions. Word has length 184 [2024-11-06 11:56:43,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:56:43,211 INFO L471 AbstractCegarLoop]: Abstraction has 2372 states and 3212 transitions. [2024-11-06 11:56:43,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-06 11:56:43,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3212 transitions. [2024-11-06 11:56:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-06 11:56:43,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 11:56:43,218 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 11:56:43,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-06 11:56:43,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:43,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 11:56:43,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 11:56:43,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1087054210, now seen corresponding path program 1 times [2024-11-06 11:56:43,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 11:56:43,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784530853] [2024-11-06 11:56:43,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 11:56:43,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:56:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 11:56:43,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 11:56:43,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 11:56:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 11:56:44,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 11:56:44,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 11:56:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-06 11:56:48,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 11:56:48,442 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 11:56:48,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784530853] [2024-11-06 11:56:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784530853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 11:56:48,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 11:56:48,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 11:56:48,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821592073] [2024-11-06 11:56:48,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 11:56:48,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 11:56:48,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 11:56:48,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 11:56:48,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-06 11:56:48,444 INFO L87 Difference]: Start difference. First operand 2372 states and 3212 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 5 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 11:56:52,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:56:56,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:57:05,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:57:09,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:57:13,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 11:57:21,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 11:57:21,100 INFO L93 Difference]: Finished difference Result 3518 states and 4781 transitions. [2024-11-06 11:57:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 11:57:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 5 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 186 [2024-11-06 11:57:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 11:57:21,107 INFO L225 Difference]: With dead ends: 3518 [2024-11-06 11:57:21,108 INFO L226 Difference]: Without dead ends: 0 [2024-11-06 11:57:21,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-06 11:57:21,119 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 446 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 139 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2024-11-06 11:57:21,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 656 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 535 Invalid, 5 Unknown, 0 Unchecked, 32.1s Time] [2024-11-06 11:57:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-06 11:57:21,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-06 11:57:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 11:57:21,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-06 11:57:21,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2024-11-06 11:57:21,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 11:57:21,124 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-06 11:57:21,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 5 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 11:57:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-06 11:57:21,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-06 11:57:21,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 11:57:21,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-06 11:57:21,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 11:57:21,331 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-06 11:57:21,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.