/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -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-b75d321-m [2024-11-05 05:51:35,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 05:51:35,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 05:51:35,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 05:51:35,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 05:51:35,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 05:51:35,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 05:51:35,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 05:51:35,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 05:51:35,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 05:51:35,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 05:51:35,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 05:51:35,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 05:51:35,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 05:51:35,719 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 05:51:35,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 05:51:35,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 05:51:35,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 05:51:35,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 05:51:35,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 05:51:35,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 05:51:35,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 05:51:35,724 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 05:51:35,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 05:51:35,724 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 05:51:35,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 05:51:35,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 05:51:35,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 05:51:35,725 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 05:51:35,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 05:51:35,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 05:51:35,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:51:35,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 05:51:35,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 05:51:35,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 05:51:35,726 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 05:51:35,726 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 05:51:35,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 05:51:35,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 05:51:35,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 05:51:35,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 05:51:35,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:51:35,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 05:51:35,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 05:51:35,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 05:51:35,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 05:51:35,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 05:51:35,928 INFO L431 ainManager$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 [2024-11-05 05:51:37,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 05:51:37,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 05:51:37,661 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 [2024-11-05 05:51:37,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57970f7c/98e3b4592b1e4867a416c248366f6485/FLAG5047afca1 [2024-11-05 05:51:37,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57970f7c/98e3b4592b1e4867a416c248366f6485 [2024-11-05 05:51:37,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 05:51:37,707 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 05:51:37,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 05:51:37,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 05:51:37,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 05:51:37,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:51:37" (1/1) ... [2024-11-05 05:51:37,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d00392a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:37, skipping insertion in model container [2024-11-05 05:51:37,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:51:37" (1/1) ... [2024-11-05 05:51:37,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 05:51:38,509 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] [2024-11-05 05:51:38,548 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,553 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,566 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,641 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,647 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,647 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,662 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,662 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,663 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,665 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,665 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,672 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,684 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,690 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,725 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,726 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,727 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,732 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,789 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:51:38,845 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 05:51:38,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 05:51:38,948 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] [2024-11-05 05:51:38,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,950 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,950 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,950 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,953 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,953 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,954 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,957 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,958 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,960 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,963 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,966 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,968 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,976 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,976 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,976 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,977 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,978 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,979 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,979 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:38,995 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:39,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 05:51:39,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:51:39,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 05:51:39,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-05 05:51:39,159 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] [2024-11-05 05:51:39,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:51:39,250 INFO L204 MainTranslator]: Completed translation [2024-11-05 05:51:39,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39 WrapperNode [2024-11-05 05:51:39,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 05:51:39,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 05:51:39,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 05:51:39,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 05:51:39,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,346 INFO L138 Inliner]: procedures = 139, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1112 [2024-11-05 05:51:39,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 05:51:39,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 05:51:39,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 05:51:39,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 05:51:39,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,536 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 18, 8, 2, 7, 3, 8, 121, 19, 44]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 15, 8, 0, 0, 0, 8, 34, 0, 0]. The 97 writes are split as follows [0, 1, 0, 1, 6, 1, 0, 25, 19, 44]. [2024-11-05 05:51:39,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 05:51:39,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 05:51:39,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 05:51:39,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 05:51:39,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (1/1) ... [2024-11-05 05:51:39,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:51:39,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 05:51:39,678 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) [2024-11-05 05:51:39,679 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 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 05:51:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-05 05:51:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-05 05:51:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 05:51:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 05:51:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 05:51:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 05:51:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 05:51:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 05:51:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 05:51:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 05:51:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 05:51:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 05:51:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-05 05:51:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-05 05:51:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-05 05:51:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-05 05:51:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-05 05:51:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-05 05:51:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-05 05:51:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-05 05:51:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 05:51:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 05:51:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 05:51:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 05:51:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 05:51:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 05:51:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 05:51:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 05:51:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 05:51:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 05:51:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 05:51:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 05:51:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-05 05:51:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-05 05:51:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-05 05:51:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-05 05:51:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-05 05:51:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-05 05:51:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-05 05:51:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-05 05:51:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 05:51:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 05:51:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-05 05:51:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-05 05:51:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 05:51:39,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 05:51:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-05 05:51:39,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 05:51:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 05:51:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 05:51:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 05:51:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 05:51:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 05:51:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 05:51:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 05:51:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-05 05:51:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-05 05:51:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-05 05:51:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-05 05:51:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-05 05:51:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-05 05:51:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-05 05:51:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-05 05:51:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 05:51:39,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 05:51:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 05:51:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 05:51:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-05 05:51:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-05 05:51:39,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-05 05:51:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-05 05:51:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-05 05:51:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-05 05:51:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 05:51:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 05:51:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-05 05:51:39,720 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-05 05:51:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-05 05:51:39,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 05:51:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 05:51:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 05:51:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 05:51:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 05:51:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-05 05:51:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-05 05:51:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 05:51:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 05:51:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 05:51:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-05 05:51:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 05:51:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 05:51:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 05:51:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 05:51:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 05:51:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 05:51:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 05:51:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 05:51:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 05:51:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 05:51:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-05 05:51:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-05 05:51:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-05 05:51:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-05 05:51:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-05 05:51:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 05:51:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 05:51:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-05 05:51:39,735 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-05 05:51:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-05 05:51:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-05 05:51:39,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-05 05:51:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 05:51:39,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 05:51:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-05 05:51:39,737 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-05 05:51:40,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 05:51:40,139 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 05:51:40,161 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 05:51:55,767 INFO L? ?]: Removed 575 outVars from TransFormulas that were not future-live. [2024-11-05 05:51:55,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 05:51:55,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 05:51:55,785 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-05 05:51:55,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:51:55 BoogieIcfgContainer [2024-11-05 05:51:55,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 05:51:55,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 05:51:55,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 05:51:55,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 05:51:55,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:51:37" (1/3) ... [2024-11-05 05:51:55,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e76dd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:51:55, skipping insertion in model container [2024-11-05 05:51:55,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:51:39" (2/3) ... [2024-11-05 05:51:55,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e76dd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:51:55, skipping insertion in model container [2024-11-05 05:51:55,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:51:55" (3/3) ... [2024-11-05 05:51:55,795 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 [2024-11-05 05:51:55,808 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 05:51:55,808 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 05:51:55,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 05:51:55,872 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;@76a5a956, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 05:51:55,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 05:51:55,883 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) [2024-11-05 05:51:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-05 05:51:55,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:51:55,892 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] [2024-11-05 05:51:55,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:51:55,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:51:55,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1543087489, now seen corresponding path program 1 times [2024-11-05 05:51:55,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:51:55,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254413014] [2024-11-05 05:51:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:51:55,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:51:55,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:51:55,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:51:55,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 05:51:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:51:57,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 05:51:57,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:51:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 05:51:57,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:51:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 05:51:57,634 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:51:57,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254413014] [2024-11-05 05:51:57,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1254413014] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:51:57,634 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:51:57,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 05:51:57,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473937162] [2024-11-05 05:51:57,636 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:51:57,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 05:51:57,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:51:57,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 05:51:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 05:51:57,656 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 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 05:51:57,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:51:57,849 INFO L93 Difference]: Finished difference Result 649 states and 907 transitions. [2024-11-05 05:51:57,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 05:51:57,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-05 05:51:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:51:57,864 INFO L225 Difference]: With dead ends: 649 [2024-11-05 05:51:57,864 INFO L226 Difference]: Without dead ends: 315 [2024-11-05 05:51:57,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 05:51:57,878 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 0 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 05:51:57,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1717 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 05:51:57,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-05 05:51:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-11-05 05:51:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 246 states have (on average 1.3333333333333333) internal successors, (328), 251 states have internal predecessors, (328), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 05:51:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 421 transitions. [2024-11-05 05:51:57,933 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 421 transitions. Word has length 42 [2024-11-05 05:51:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:51:57,933 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 421 transitions. [2024-11-05 05:51:57,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 05:51:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 421 transitions. [2024-11-05 05:51:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-05 05:51:57,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:51:57,935 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-05 05:51:57,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 05:51:58,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:51:58,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:51:58,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:51:58,141 INFO L85 PathProgramCache]: Analyzing trace with hash -707865345, now seen corresponding path program 1 times [2024-11-05 05:51:58,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:51:58,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976922030] [2024-11-05 05:51:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:51:58,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:51:58,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:51:58,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:51:58,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 05:51:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:51:59,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 05:51:59,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:51:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 05:51:59,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-05 05:52:00,491 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:00,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976922030] [2024-11-05 05:52:00,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [976922030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 05:52:00,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 05:52:00,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 05:52:00,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477864555] [2024-11-05 05:52:00,491 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 05:52:00,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 05:52:00,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:00,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 05:52:00,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 05:52:00,493 INFO L87 Difference]: Start difference. First operand 315 states and 421 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 05:52:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:00,811 INFO L93 Difference]: Finished difference Result 621 states and 832 transitions. [2024-11-05 05:52:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 05:52:00,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-05 05:52:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:00,815 INFO L225 Difference]: With dead ends: 621 [2024-11-05 05:52:00,815 INFO L226 Difference]: Without dead ends: 317 [2024-11-05 05:52:00,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 05:52:00,816 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:00,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 05:52:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-05 05:52:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-05 05:52:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 248 states have (on average 1.3306451612903225) internal successors, (330), 253 states have internal predecessors, (330), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 05:52:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 423 transitions. [2024-11-05 05:52:00,833 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 423 transitions. Word has length 44 [2024-11-05 05:52:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:00,833 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 423 transitions. [2024-11-05 05:52:00,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 05:52:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 423 transitions. [2024-11-05 05:52:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-05 05:52:00,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:00,835 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-05 05:52:00,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 05:52:01,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:01,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:01,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1218269313, now seen corresponding path program 2 times [2024-11-05 05:52:01,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:01,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929253426] [2024-11-05 05:52:01,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:01,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:01,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:01,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:01,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 05:52:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:02,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 05:52:02,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 05:52:02,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 05:52:02,748 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:02,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929253426] [2024-11-05 05:52:02,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [929253426] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:02,749 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:02,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 05:52:02,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878610421] [2024-11-05 05:52:02,749 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:02,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 05:52:02,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:02,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 05:52:02,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 05:52:02,750 INFO L87 Difference]: Start difference. First operand 317 states and 423 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 05:52:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:02,884 INFO L93 Difference]: Finished difference Result 617 states and 827 transitions. [2024-11-05 05:52:02,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 05:52:02,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2024-11-05 05:52:02,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:02,886 INFO L225 Difference]: With dead ends: 617 [2024-11-05 05:52:02,886 INFO L226 Difference]: Without dead ends: 319 [2024-11-05 05:52:02,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 05:52:02,888 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:02,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 05:52:02,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-05 05:52:02,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-05 05:52:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 250 states have (on average 1.328) internal successors, (332), 255 states have internal predecessors, (332), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 05:52:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-05 05:52:02,901 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 46 [2024-11-05 05:52:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:02,901 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-05 05:52:02,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 05:52:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-05 05:52:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-05 05:52:02,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:02,903 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-05 05:52:02,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 05:52:03,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:03,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:03,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:03,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1858491391, now seen corresponding path program 1 times [2024-11-05 05:52:03,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:03,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50188549] [2024-11-05 05:52:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:03,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:03,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:03,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:03,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 05:52:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:04,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 05:52:04,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 05:52:04,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-05 05:52:05,344 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:05,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50188549] [2024-11-05 05:52:05,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [50188549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 05:52:05,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 05:52:05,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 05:52:05,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063104929] [2024-11-05 05:52:05,344 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 05:52:05,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 05:52:05,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:05,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 05:52:05,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 05:52:05,346 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 05:52:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:05,628 INFO L93 Difference]: Finished difference Result 619 states and 829 transitions. [2024-11-05 05:52:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 05:52:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-11-05 05:52:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:05,631 INFO L225 Difference]: With dead ends: 619 [2024-11-05 05:52:05,631 INFO L226 Difference]: Without dead ends: 321 [2024-11-05 05:52:05,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 05:52:05,635 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:05,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 05:52:05,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-05 05:52:05,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-05 05:52:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 252 states have (on average 1.3253968253968254) internal successors, (334), 257 states have internal predecessors, (334), 47 states have call successors, (47), 22 states have call predecessors, (47), 21 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 05:52:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2024-11-05 05:52:05,659 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 48 [2024-11-05 05:52:05,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:05,659 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2024-11-05 05:52:05,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-05 05:52:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2024-11-05 05:52:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-05 05:52:05,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:05,661 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-05 05:52:05,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-05 05:52:05,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:05,861 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:05,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash -606939009, now seen corresponding path program 2 times [2024-11-05 05:52:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:05,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511504984] [2024-11-05 05:52:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:05,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:05,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:05,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 05:52:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:06,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:06,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-05 05:52:07,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-05 05:52:07,494 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:07,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511504984] [2024-11-05 05:52:07,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [511504984] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:07,494 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:07,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 05:52:07,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239766990] [2024-11-05 05:52:07,494 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:07,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:52:07,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:07,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:52:07,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:52:07,495 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-05 05:52:11,557 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 [] [2024-11-05 05:52:13,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:13,504 INFO L93 Difference]: Finished difference Result 1157 states and 1562 transitions. [2024-11-05 05:52:13,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:52:13,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 50 [2024-11-05 05:52:13,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:13,513 INFO L225 Difference]: With dead ends: 1157 [2024-11-05 05:52:13,513 INFO L226 Difference]: Without dead ends: 864 [2024-11-05 05:52:13,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:52:13,514 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 758 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:13,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1465 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-05 05:52:13,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-05 05:52:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2024-11-05 05:52:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 679 states have (on average 1.346097201767305) internal successors, (914), 694 states have internal predecessors, (914), 125 states have call successors, (125), 60 states have call predecessors, (125), 59 states have return successors, (124), 121 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-05 05:52:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1163 transitions. [2024-11-05 05:52:13,558 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1163 transitions. Word has length 50 [2024-11-05 05:52:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:13,559 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1163 transitions. [2024-11-05 05:52:13,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-05 05:52:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1163 transitions. [2024-11-05 05:52:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 05:52:13,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:13,561 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-05 05:52:13,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-05 05:52:13,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:13,762 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:13,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:13,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1942681534, now seen corresponding path program 1 times [2024-11-05 05:52:13,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:13,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071966328] [2024-11-05 05:52:13,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:13,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:13,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:13,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:13,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 05:52:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:14,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 05:52:14,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-05 05:52:16,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-05 05:52:18,046 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071966328] [2024-11-05 05:52:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2071966328] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:18,046 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:18,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-05 05:52:18,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693385625] [2024-11-05 05:52:18,046 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:18,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 05:52:18,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:18,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 05:52:18,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-05 05:52:18,048 INFO L87 Difference]: Start difference. First operand 864 states and 1163 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 05:52:19,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:19,238 INFO L93 Difference]: Finished difference Result 1693 states and 2298 transitions. [2024-11-05 05:52:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 05:52:19,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2024-11-05 05:52:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:19,259 INFO L225 Difference]: With dead ends: 1693 [2024-11-05 05:52:19,259 INFO L226 Difference]: Without dead ends: 1684 [2024-11-05 05:52:19,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-05 05:52:19,263 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 378 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2457 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:19,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2457 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 05:52:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2024-11-05 05:52:19,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1672. [2024-11-05 05:52:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1312 states have (on average 1.3513719512195121) internal successors, (1773), 1342 states have internal predecessors, (1773), 244 states have call successors, (244), 116 states have call predecessors, (244), 115 states have return successors, (255), 237 states have call predecessors, (255), 243 states have call successors, (255) [2024-11-05 05:52:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2272 transitions. [2024-11-05 05:52:19,365 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2272 transitions. Word has length 60 [2024-11-05 05:52:19,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:19,366 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2272 transitions. [2024-11-05 05:52:19,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 05:52:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2272 transitions. [2024-11-05 05:52:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-05 05:52:19,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:19,371 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 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] [2024-11-05 05:52:19,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-05 05:52:19,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:19,572 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:19,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:19,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1270944179, now seen corresponding path program 1 times [2024-11-05 05:52:19,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:19,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890001277] [2024-11-05 05:52:19,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:19,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:19,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:19,574 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:19,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-05 05:52:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:20,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:20,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-05 05:52:21,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-05 05:52:23,488 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:23,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890001277] [2024-11-05 05:52:23,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [890001277] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:23,488 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:23,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:52:23,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408347571] [2024-11-05 05:52:23,488 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:23,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:52:23,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:23,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:52:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:23,493 INFO L87 Difference]: Start difference. First operand 1672 states and 2272 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-05 05:52:24,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:24,267 INFO L93 Difference]: Finished difference Result 3618 states and 4963 transitions. [2024-11-05 05:52:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:52:24,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 170 [2024-11-05 05:52:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:24,289 INFO L225 Difference]: With dead ends: 3618 [2024-11-05 05:52:24,289 INFO L226 Difference]: Without dead ends: 1981 [2024-11-05 05:52:24,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:24,300 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 115 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:24,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 804 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-05 05:52:24,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2024-11-05 05:52:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1929. [2024-11-05 05:52:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 1545 states have (on average 1.3741100323624595) internal successors, (2123), 1575 states have internal predecessors, (2123), 258 states have call successors, (258), 126 states have call predecessors, (258), 125 states have return successors, (269), 251 states have call predecessors, (269), 257 states have call successors, (269) [2024-11-05 05:52:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2650 transitions. [2024-11-05 05:52:24,383 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2650 transitions. Word has length 170 [2024-11-05 05:52:24,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:24,383 INFO L471 AbstractCegarLoop]: Abstraction has 1929 states and 2650 transitions. [2024-11-05 05:52:24,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-05 05:52:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2650 transitions. [2024-11-05 05:52:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-05 05:52:24,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:24,387 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 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] [2024-11-05 05:52:24,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-05 05:52:24,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:24,589 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:24,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:24,589 INFO L85 PathProgramCache]: Analyzing trace with hash -499228693, now seen corresponding path program 1 times [2024-11-05 05:52:24,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:24,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213504241] [2024-11-05 05:52:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:24,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:24,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:24,591 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:24,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-05 05:52:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:25,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:25,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-05 05:52:26,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-05 05:52:29,287 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:29,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213504241] [2024-11-05 05:52:29,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [213504241] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:29,288 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:29,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:52:29,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625952182] [2024-11-05 05:52:29,288 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:29,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:52:29,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:29,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:52:29,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:29,325 INFO L87 Difference]: Start difference. First operand 1929 states and 2650 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-05 05:52:33,388 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 [] [2024-11-05 05:52:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:33,869 INFO L93 Difference]: Finished difference Result 5328 states and 7312 transitions. [2024-11-05 05:52:33,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:52:33,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 192 [2024-11-05 05:52:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:33,885 INFO L225 Difference]: With dead ends: 5328 [2024-11-05 05:52:33,885 INFO L226 Difference]: Without dead ends: 3438 [2024-11-05 05:52:33,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:33,894 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 360 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:33,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 874 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-05 05:52:33,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2024-11-05 05:52:33,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3429. [2024-11-05 05:52:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3429 states, 2727 states have (on average 1.359002566923359) internal successors, (3706), 2787 states have internal predecessors, (3706), 466 states have call successors, (466), 236 states have call predecessors, (466), 235 states have return successors, (483), 453 states have call predecessors, (483), 465 states have call successors, (483) [2024-11-05 05:52:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 4655 transitions. [2024-11-05 05:52:34,021 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 4655 transitions. Word has length 192 [2024-11-05 05:52:34,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:34,022 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 4655 transitions. [2024-11-05 05:52:34,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-05 05:52:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 4655 transitions. [2024-11-05 05:52:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-05 05:52:34,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:34,029 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 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] [2024-11-05 05:52:34,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-05 05:52:34,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:34,230 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:34,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:34,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1635036577, now seen corresponding path program 1 times [2024-11-05 05:52:34,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:34,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881024756] [2024-11-05 05:52:34,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:34,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:34,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:34,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:34,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-05 05:52:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:35,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-05 05:52:35,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-05 05:52:37,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-05 05:52:44,945 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:44,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881024756] [2024-11-05 05:52:44,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [881024756] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 05:52:44,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 05:52:44,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2024-11-05 05:52:44,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683943469] [2024-11-05 05:52:44,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:44,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 05:52:44,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:44,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 05:52:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2024-11-05 05:52:44,946 INFO L87 Difference]: Start difference. First operand 3429 states and 4655 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-05 05:52:47,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:47,604 INFO L93 Difference]: Finished difference Result 7407 states and 10263 transitions. [2024-11-05 05:52:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 05:52:47,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2024-11-05 05:52:47,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:47,622 INFO L225 Difference]: With dead ends: 7407 [2024-11-05 05:52:47,622 INFO L226 Difference]: Without dead ends: 4017 [2024-11-05 05:52:47,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-05 05:52:47,632 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 48 mSDsluCounter, 3766 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 4247 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-05 05:52:47,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 4247 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-05 05:52:47,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2024-11-05 05:52:47,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3537. [2024-11-05 05:52:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 2799 states have (on average 1.3497677742050733) internal successors, (3778), 2859 states have internal predecessors, (3778), 478 states have call successors, (478), 236 states have call predecessors, (478), 259 states have return successors, (579), 489 states have call predecessors, (579), 477 states have call successors, (579) [2024-11-05 05:52:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 4835 transitions. [2024-11-05 05:52:47,747 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 4835 transitions. Word has length 192 [2024-11-05 05:52:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:47,749 INFO L471 AbstractCegarLoop]: Abstraction has 3537 states and 4835 transitions. [2024-11-05 05:52:47,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 7 states have internal predecessors, (118), 3 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (23), 5 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-05 05:52:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 4835 transitions. [2024-11-05 05:52:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-05 05:52:47,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:47,754 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-05 05:52:47,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-05 05:52:47,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:47,956 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:47,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1273361030, now seen corresponding path program 1 times [2024-11-05 05:52:47,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:47,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095567685] [2024-11-05 05:52:47,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:47,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:47,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:47,964 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:47,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-05 05:52:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:49,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:52:49,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-05 05:52:49,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:52:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-05 05:52:52,037 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:52:52,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095567685] [2024-11-05 05:52:52,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1095567685] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:52:52,037 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:52:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:52:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553544682] [2024-11-05 05:52:52,037 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:52:52,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:52:52,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:52:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:52:52,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:52,042 INFO L87 Difference]: Start difference. First operand 3537 states and 4835 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-05 05:52:52,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:52:52,231 INFO L93 Difference]: Finished difference Result 5336 states and 7338 transitions. [2024-11-05 05:52:52,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:52:52,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 198 [2024-11-05 05:52:52,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:52:52,245 INFO L225 Difference]: With dead ends: 5336 [2024-11-05 05:52:52,245 INFO L226 Difference]: Without dead ends: 3549 [2024-11-05 05:52:52,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:52:52,249 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 [2024-11-05 05:52:52,249 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] [2024-11-05 05:52:52,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2024-11-05 05:52:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 3549. [2024-11-05 05:52:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3549 states, 2811 states have (on average 1.3482746353610815) internal successors, (3790), 2871 states have internal predecessors, (3790), 478 states have call successors, (478), 236 states have call predecessors, (478), 259 states have return successors, (579), 489 states have call predecessors, (579), 477 states have call successors, (579) [2024-11-05 05:52:52,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4847 transitions. [2024-11-05 05:52:52,354 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4847 transitions. Word has length 198 [2024-11-05 05:52:52,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:52:52,354 INFO L471 AbstractCegarLoop]: Abstraction has 3549 states and 4847 transitions. [2024-11-05 05:52:52,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-05 05:52:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4847 transitions. [2024-11-05 05:52:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-05 05:52:52,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:52:52,360 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:52:52,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-05 05:52:52,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:52,561 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:52:52,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:52:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash -753130119, now seen corresponding path program 1 times [2024-11-05 05:52:52,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:52:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133044974] [2024-11-05 05:52:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:52:52,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:52:52,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:52:52,563 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:52:52,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-05 05:52:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:52:54,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 05:52:54,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:52:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-05 05:52:57,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:53:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-05 05:53:06,199 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:53:06,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133044974] [2024-11-05 05:53:06,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2133044974] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:53:06,200 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:53:06,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2024-11-05 05:53:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484086207] [2024-11-05 05:53:06,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:53:06,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 05:53:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:53:06,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 05:53:06,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-05 05:53:06,201 INFO L87 Difference]: Start difference. First operand 3549 states and 4847 transitions. Second operand has 9 states, 9 states have (on average 19.666666666666668) internal successors, (177), 9 states have internal predecessors, (177), 7 states have call successors, (39), 5 states have call predecessors, (39), 3 states have return successors, (38), 7 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-05 05:53:10,277 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 [] [2024-11-05 05:53:14,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:53:18,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []