/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-356b6ba-m [2024-11-01 15:08:17,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 15:08:18,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 15:08:18,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 15:08:18,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 15:08:18,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 15:08:18,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 15:08:18,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 15:08:18,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 15:08:18,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 15:08:18,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 15:08:18,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 15:08:18,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 15:08:18,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 15:08:18,076 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 15:08:18,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 15:08:18,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 15:08:18,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 15:08:18,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 15:08:18,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 15:08:18,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 15:08:18,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 15:08:18,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 15:08:18,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 15:08:18,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 15:08:18,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 15:08:18,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 15:08:18,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 15:08:18,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 15:08:18,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 15:08:18,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 15:08:18,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:08:18,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 15:08:18,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 15:08:18,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 15:08:18,087 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 15:08:18,087 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 15:08:18,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 15:08:18,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 15:08:18,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 15:08:18,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 15:08:18,090 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 15:08:18,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-01 15:08:18,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 15:08:18,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 15:08:18,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 15:08:18,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 15:08:18,530 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 15:08:18,532 INFO L431 ainManager$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 [2024-11-01 15:08:20,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 15:08:20,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 15:08:20,655 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 [2024-11-01 15:08:20,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f28d0961/2bb910c8315649498137f928950398cf/FLAG8991442fa [2024-11-01 15:08:20,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f28d0961/2bb910c8315649498137f928950398cf [2024-11-01 15:08:20,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 15:08:20,747 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 15:08:20,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 15:08:20,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 15:08:20,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 15:08:20,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:08:20" (1/1) ... [2024-11-01 15:08:20,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208b8670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:20, skipping insertion in model container [2024-11-01 15:08:20,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 03:08:20" (1/1) ... [2024-11-01 15:08:20,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 15:08:21,923 WARN L251 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] [2024-11-01 15:08:21,993 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,003 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,013 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,024 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,036 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,185 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,195 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,196 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,227 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,227 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,231 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,233 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,238 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,239 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,255 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,277 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,283 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,285 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,353 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,354 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,354 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,365 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,365 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,366 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,366 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,484 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,547 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:08:22,601 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-01 15:08:22,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 15:08:22,819 WARN L251 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] [2024-11-01 15:08:22,821 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,822 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,822 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,822 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,823 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,825 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,826 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,827 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,831 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,831 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,832 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,833 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,833 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,833 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,835 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,838 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,840 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,841 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,846 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,847 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,847 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,848 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,848 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,849 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,849 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,872 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,882 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 15:08:22,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:08:22,896 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 15:08:23,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-01 15:08:23,034 WARN L251 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] [2024-11-01 15:08:23,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 15:08:23,170 INFO L204 MainTranslator]: Completed translation [2024-11-01 15:08:23,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23 WrapperNode [2024-11-01 15:08:23,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 15:08:23,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 15:08:23,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 15:08:23,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 15:08:23,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,322 INFO L138 Inliner]: procedures = 139, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1112 [2024-11-01 15:08:23,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 15:08:23,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 15:08:23,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 15:08:23,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 15:08:23,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,533 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 18, 8, 3, 7, 2, 121, 8, 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, 34, 8, 0, 0]. The 97 writes are split as follows [0, 1, 0, 1, 6, 1, 25, 0, 19, 44]. [2024-11-01 15:08:23,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 15:08:23,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 15:08:23,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 15:08:23,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 15:08:23,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (1/1) ... [2024-11-01 15:08:23,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 15:08:23,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 15:08:23,846 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) [2024-11-01 15:08:23,854 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 [2024-11-01 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 15:08:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 15:08:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 15:08:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 15:08:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 15:08:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 15:08:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 15:08:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 15:08:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 15:08:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 15:08:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-01 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-01 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 15:08:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-01 15:08:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-01 15:08:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-01 15:08:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-01 15:08:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-01 15:08:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-01 15:08:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-01 15:08:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-01 15:08:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 15:08:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 15:08:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-01 15:08:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-01 15:08:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 15:08:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 15:08:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-01 15:08:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-01 15:08:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 15:08:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 15:08:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 15:08:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 15:08:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 15:08:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 15:08:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 15:08:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 15:08:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 15:08:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 15:08:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 15:08:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 15:08:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 15:08:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 15:08:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 15:08:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 15:08:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 15:08:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 15:08:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 15:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 15:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 15:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 15:08:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 15:08:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-01 15:08:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 15:08:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 15:08:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-01 15:08:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-01 15:08:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-01 15:08:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-01 15:08:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-01 15:08:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-01 15:08:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-01 15:08:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-01 15:08:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-01 15:08:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-01 15:08:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-01 15:08:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-01 15:08:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-01 15:08:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-01 15:08:23,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-01 15:08:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 15:08:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 15:08:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-01 15:08:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-01 15:08:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 15:08:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-01 15:08:23,909 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-01 15:08:23,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-01 15:08:23,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 15:08:23,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 15:08:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 15:08:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 15:08:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 15:08:23,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 15:08:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 15:08:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 15:08:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 15:08:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 15:08:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 15:08:23,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-01 15:08:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-01 15:08:23,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 15:08:23,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 15:08:23,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 15:08:23,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-01 15:08:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 15:08:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 15:08:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 15:08:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 15:08:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 15:08:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 15:08:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 15:08:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 15:08:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-01 15:08:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-01 15:08:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-01 15:08:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-01 15:08:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-01 15:08:23,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 15:08:23,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 15:08:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 15:08:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 15:08:23,927 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-01 15:08:23,927 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-01 15:08:24,457 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 15:08:24,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 15:08:24,496 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 15:08:42,519 INFO L? ?]: Removed 575 outVars from TransFormulas that were not future-live. [2024-11-01 15:08:42,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 15:08:42,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 15:08:42,550 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-01 15:08:42,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:08:42 BoogieIcfgContainer [2024-11-01 15:08:42,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 15:08:42,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 15:08:42,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 15:08:42,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 15:08:42,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 03:08:20" (1/3) ... [2024-11-01 15:08:42,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f57d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:08:42, skipping insertion in model container [2024-11-01 15:08:42,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 03:08:23" (2/3) ... [2024-11-01 15:08:42,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f57d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 03:08:42, skipping insertion in model container [2024-11-01 15:08:42,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 03:08:42" (3/3) ... [2024-11-01 15:08:42,564 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 [2024-11-01 15:08:42,585 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 15:08:42,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 15:08:42,684 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 15:08:42,690 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;@37ad85a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 15:08:42,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 15:08:42,702 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) [2024-11-01 15:08:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-01 15:08:42,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:42,720 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] [2024-11-01 15:08:42,720 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:08:42,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:08:42,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1634635393, now seen corresponding path program 1 times [2024-11-01 15:08:42,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:08:42,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358897245] [2024-11-01 15:08:42,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:08:42,740 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 [2024-11-01 15:08:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:08:42,743 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) [2024-11-01 15:08:42,763 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 [2024-11-01 15:08:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:08:44,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 15:08:44,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:08:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 15:08:44,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:08:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 15:08:45,642 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:08:45,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358897245] [2024-11-01 15:08:45,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1358897245] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:08:45,643 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:08:45,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 15:08:45,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419465659] [2024-11-01 15:08:45,646 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:08:45,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 15:08:45,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:08:45,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 15:08:45,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 15:08:45,688 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) [2024-11-01 15:08:46,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:08:46,069 INFO L93 Difference]: Finished difference Result 649 states and 907 transitions. [2024-11-01 15:08:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 15:08:46,076 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 [2024-11-01 15:08:46,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:08:46,095 INFO L225 Difference]: With dead ends: 649 [2024-11-01 15:08:46,095 INFO L226 Difference]: Without dead ends: 315 [2024-11-01 15:08:46,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 15:08:46,112 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 0 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 15:08:46,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1717 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 15:08:46,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-01 15:08:46,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-11-01 15:08:46,186 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) [2024-11-01 15:08:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 421 transitions. [2024-11-01 15:08:46,197 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 421 transitions. Word has length 42 [2024-11-01 15:08:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:08:46,199 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 421 transitions. [2024-11-01 15:08:46,199 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) [2024-11-01 15:08:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 421 transitions. [2024-11-01 15:08:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-01 15:08:46,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:46,203 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] [2024-11-01 15:08:46,235 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 (2)] Forceful destruction successful, exit code 0 [2024-11-01 15:08:46,404 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 [2024-11-01 15:08:46,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:08:46,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:08:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash -876764545, now seen corresponding path program 1 times [2024-11-01 15:08:46,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:08:46,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012916322] [2024-11-01 15:08:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:08:46,407 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 [2024-11-01 15:08:46,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:08:46,409 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) [2024-11-01 15:08:46,411 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 [2024-11-01 15:08:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:08:47,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 15:08:47,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:08:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 15:08:48,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:08:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 15:08:50,854 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:08:50,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012916322] [2024-11-01 15:08:50,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2012916322] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 15:08:50,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 15:08:50,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 15:08:50,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210744156] [2024-11-01 15:08:50,855 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 15:08:50,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 15:08:50,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:08:50,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 15:08:50,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 15:08:50,858 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) [2024-11-01 15:08:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:08:51,487 INFO L93 Difference]: Finished difference Result 621 states and 832 transitions. [2024-11-01 15:08:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 15:08:51,488 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 [2024-11-01 15:08:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:08:51,493 INFO L225 Difference]: With dead ends: 621 [2024-11-01 15:08:51,493 INFO L226 Difference]: Without dead ends: 317 [2024-11-01 15:08:51,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 15:08:51,497 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 15:08:51,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 15:08:51,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-01 15:08:51,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-01 15:08:51,518 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) [2024-11-01 15:08:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 423 transitions. [2024-11-01 15:08:51,522 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 423 transitions. Word has length 44 [2024-11-01 15:08:51,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:08:51,522 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 423 transitions. [2024-11-01 15:08:51,523 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) [2024-11-01 15:08:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 423 transitions. [2024-11-01 15:08:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 15:08:51,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:51,540 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] [2024-11-01 15:08:51,581 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 [2024-11-01 15:08:51,740 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 [2024-11-01 15:08:51,741 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:08:51,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:08:51,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1587647359, now seen corresponding path program 2 times [2024-11-01 15:08:51,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:08:51,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735915508] [2024-11-01 15:08:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:08:51,743 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 [2024-11-01 15:08:51,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:08:51,747 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) [2024-11-01 15:08:51,749 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 [2024-11-01 15:08:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:08:53,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 15:08:53,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:08:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 15:08:53,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:08:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 15:08:54,496 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:08:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735915508] [2024-11-01 15:08:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1735915508] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:08:54,497 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:08:54,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 15:08:54,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142399697] [2024-11-01 15:08:54,497 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:08:54,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 15:08:54,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:08:54,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 15:08:54,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 15:08:54,499 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) [2024-11-01 15:08:54,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:08:54,741 INFO L93 Difference]: Finished difference Result 617 states and 827 transitions. [2024-11-01 15:08:54,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 15:08:54,745 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 [2024-11-01 15:08:54,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:08:54,754 INFO L225 Difference]: With dead ends: 617 [2024-11-01 15:08:54,754 INFO L226 Difference]: Without dead ends: 319 [2024-11-01 15:08:54,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 15:08:54,757 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 15:08:54,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 15:08:54,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-01 15:08:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2024-11-01 15:08:54,804 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) [2024-11-01 15:08:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-01 15:08:54,811 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 46 [2024-11-01 15:08:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:08:54,812 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-01 15:08:54,812 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) [2024-11-01 15:08:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-01 15:08:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-01 15:08:54,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:54,814 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] [2024-11-01 15:08:54,850 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 [2024-11-01 15:08:55,021 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 [2024-11-01 15:08:55,022 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:08:55,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:08:55,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1845543297, now seen corresponding path program 1 times [2024-11-01 15:08:55,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:08:55,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26812351] [2024-11-01 15:08:55,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:08:55,023 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 [2024-11-01 15:08:55,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:08:55,025 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) [2024-11-01 15:08:55,026 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 [2024-11-01 15:08:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:08:56,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 15:08:56,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:08:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 15:08:57,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:08:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 15:08:59,106 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:08:59,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [26812351] [2024-11-01 15:08:59,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [26812351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 15:08:59,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 15:08:59,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 15:08:59,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799151959] [2024-11-01 15:08:59,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 15:08:59,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 15:08:59,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:08:59,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 15:08:59,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 15:08:59,109 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) [2024-11-01 15:08:59,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:08:59,670 INFO L93 Difference]: Finished difference Result 619 states and 829 transitions. [2024-11-01 15:08:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 15:08:59,671 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 [2024-11-01 15:08:59,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:08:59,675 INFO L225 Difference]: With dead ends: 619 [2024-11-01 15:08:59,675 INFO L226 Difference]: Without dead ends: 321 [2024-11-01 15:08:59,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 15:08:59,677 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 15:08:59,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1668 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 15:08:59,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-01 15:08:59,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-01 15:08:59,723 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) [2024-11-01 15:08:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2024-11-01 15:08:59,726 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 48 [2024-11-01 15:08:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:08:59,727 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2024-11-01 15:08:59,727 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) [2024-11-01 15:08:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2024-11-01 15:08:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-01 15:08:59,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:08:59,729 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] [2024-11-01 15:08:59,762 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 [2024-11-01 15:08:59,929 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 [2024-11-01 15:08:59,930 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:08:59,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:08:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1688086911, now seen corresponding path program 2 times [2024-11-01 15:08:59,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:08:59,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277801870] [2024-11-01 15:08:59,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:08:59,931 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 [2024-11-01 15:08:59,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:08:59,935 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) [2024-11-01 15:08:59,937 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 [2024-11-01 15:09:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:01,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:01,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-01 15:09:01,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-01 15:09:02,590 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:02,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277801870] [2024-11-01 15:09:02,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [277801870] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:02,590 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:02,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 15:09:02,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352126856] [2024-11-01 15:09:02,591 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:02,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 15:09:02,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 15:09:02,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:09:02,594 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) [2024-11-01 15:09:06,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 15:09:09,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:09,244 INFO L93 Difference]: Finished difference Result 1157 states and 1562 transitions. [2024-11-01 15:09:09,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 15:09:09,245 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 [2024-11-01 15:09:09,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:09,252 INFO L225 Difference]: With dead ends: 1157 [2024-11-01 15:09:09,253 INFO L226 Difference]: Without dead ends: 864 [2024-11-01 15:09:09,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 15:09:09,256 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 758 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 6.6s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:09,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1465 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-01 15:09:09,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-11-01 15:09:09,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2024-11-01 15:09:09,328 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) [2024-11-01 15:09:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1163 transitions. [2024-11-01 15:09:09,339 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1163 transitions. Word has length 50 [2024-11-01 15:09:09,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:09,340 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1163 transitions. [2024-11-01 15:09:09,340 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) [2024-11-01 15:09:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1163 transitions. [2024-11-01 15:09:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-01 15:09:09,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:09,343 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] [2024-11-01 15:09:09,377 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 (6)] Ended with exit code 0 [2024-11-01 15:09:09,543 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 [2024-11-01 15:09:09,544 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:09,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:09,545 INFO L85 PathProgramCache]: Analyzing trace with hash 802101570, now seen corresponding path program 1 times [2024-11-01 15:09:09,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:09,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504403819] [2024-11-01 15:09:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:09,545 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 [2024-11-01 15:09:09,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:09,547 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) [2024-11-01 15:09:09,548 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 [2024-11-01 15:09:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:11,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 15:09:11,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-01 15:09:12,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-01 15:09:14,378 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:14,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504403819] [2024-11-01 15:09:14,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [504403819] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:14,378 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:14,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-01 15:09:14,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750774547] [2024-11-01 15:09:14,379 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:14,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 15:09:14,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:14,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 15:09:14,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-01 15:09:14,380 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) [2024-11-01 15:09:15,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:15,635 INFO L93 Difference]: Finished difference Result 1693 states and 2298 transitions. [2024-11-01 15:09:15,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 15:09:15,636 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 [2024-11-01 15:09:15,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:15,653 INFO L225 Difference]: With dead ends: 1693 [2024-11-01 15:09:15,653 INFO L226 Difference]: Without dead ends: 1684 [2024-11-01 15:09:15,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-01 15:09:15,655 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 378 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2024-11-01 15:09:15,656 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] [2024-11-01 15:09:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2024-11-01 15:09:15,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1672. [2024-11-01 15:09:15,745 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) [2024-11-01 15:09:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2272 transitions. [2024-11-01 15:09:15,759 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2272 transitions. Word has length 60 [2024-11-01 15:09:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:15,761 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2272 transitions. [2024-11-01 15:09:15,762 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) [2024-11-01 15:09:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2272 transitions. [2024-11-01 15:09:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-01 15:09:15,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:15,773 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] [2024-11-01 15:09:15,811 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 (7)] Ended with exit code 0 [2024-11-01 15:09:15,973 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 [2024-11-01 15:09:15,974 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:15,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:15,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1411694771, now seen corresponding path program 1 times [2024-11-01 15:09:15,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:15,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351891448] [2024-11-01 15:09:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:15,975 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 [2024-11-01 15:09:15,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:15,979 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) [2024-11-01 15:09:15,980 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 [2024-11-01 15:09:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:17,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:17,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-01 15:09:18,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-01 15:09:20,997 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:20,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351891448] [2024-11-01 15:09:20,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [351891448] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:20,998 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:20,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 15:09:20,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438385884] [2024-11-01 15:09:20,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:20,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:09:20,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:20,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:09:20,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:09:20,999 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) [2024-11-01 15:09:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:21,596 INFO L93 Difference]: Finished difference Result 3618 states and 4963 transitions. [2024-11-01 15:09:21,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:09:21,597 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 [2024-11-01 15:09:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:21,611 INFO L225 Difference]: With dead ends: 3618 [2024-11-01 15:09:21,611 INFO L226 Difference]: Without dead ends: 1981 [2024-11-01 15:09:21,620 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 [2024-11-01 15:09:21,622 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 115 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:21,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 804 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 15:09:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2024-11-01 15:09:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1929. [2024-11-01 15:09:21,706 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) [2024-11-01 15:09:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2650 transitions. [2024-11-01 15:09:21,719 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2650 transitions. Word has length 170 [2024-11-01 15:09:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:21,720 INFO L471 AbstractCegarLoop]: Abstraction has 1929 states and 2650 transitions. [2024-11-01 15:09:21,720 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) [2024-11-01 15:09:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2650 transitions. [2024-11-01 15:09:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-01 15:09:21,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:21,728 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] [2024-11-01 15:09:21,777 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 [2024-11-01 15:09:21,928 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 [2024-11-01 15:09:21,930 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:21,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:21,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1369968405, now seen corresponding path program 1 times [2024-11-01 15:09:21,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:21,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998665925] [2024-11-01 15:09:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:21,931 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 [2024-11-01 15:09:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:21,936 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) [2024-11-01 15:09:21,938 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 [2024-11-01 15:09:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:23,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 15:09:23,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-01 15:09:24,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 15:09:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-01 15:09:28,814 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 15:09:28,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998665925] [2024-11-01 15:09:28,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1998665925] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 15:09:28,814 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 15:09:28,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 15:09:28,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12566838] [2024-11-01 15:09:28,815 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 15:09:28,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 15:09:28,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 15:09:28,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 15:09:28,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 15:09:28,817 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) [2024-11-01 15:09:32,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 15:09:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 15:09:33,683 INFO L93 Difference]: Finished difference Result 5328 states and 7312 transitions. [2024-11-01 15:09:33,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 15:09:33,684 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 [2024-11-01 15:09:33,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 15:09:33,713 INFO L225 Difference]: With dead ends: 5328 [2024-11-01 15:09:33,714 INFO L226 Difference]: Without dead ends: 3438 [2024-11-01 15:09:33,724 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 [2024-11-01 15:09:33,726 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 360 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 4.7s IncrementalHoareTripleChecker+Time [2024-11-01 15:09:33,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 874 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-01 15:09:33,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2024-11-01 15:09:33,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3429. [2024-11-01 15:09:33,938 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) [2024-11-01 15:09:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 4655 transitions. [2024-11-01 15:09:33,964 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 4655 transitions. Word has length 192 [2024-11-01 15:09:33,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 15:09:33,964 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 4655 transitions. [2024-11-01 15:09:33,965 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) [2024-11-01 15:09:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 4655 transitions. [2024-11-01 15:09:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-01 15:09:33,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 15:09:33,975 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] [2024-11-01 15:09:34,029 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 [2024-11-01 15:09:34,175 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 [2024-11-01 15:09:34,177 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 15:09:34,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 15:09:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1789191007, now seen corresponding path program 1 times [2024-11-01 15:09:34,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 15:09:34,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680052194] [2024-11-01 15:09:34,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 15:09:34,178 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 [2024-11-01 15:09:34,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-01 15:09:34,182 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) [2024-11-01 15:09:34,184 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 [2024-11-01 15:09:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 15:09:35,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-01 15:09:35,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 15:09:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-01 15:09:38,342 INFO L311 TraceCheckSpWp]: Computing backward predicates...