/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 'cvc4 --incremental --print-success --lang smt' -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 06:45:02,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 06:45:02,637 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 06:45:02,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 06:45:02,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 06:45:02,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 06:45:02,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 06:45:02,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 06:45:02,690 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 06:45:02,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 06:45:02,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 06:45:02,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 06:45:02,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 06:45:02,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 06:45:02,693 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 06:45:02,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 06:45:02,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 06:45:02,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 06:45:02,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 06:45:02,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 06:45:02,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 06:45:02,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 06:45:02,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 06:45:02,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 06:45:02,701 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 06:45:02,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 06:45:02,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 06:45:02,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 06:45:02,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 06:45:02,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 06:45:02,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 06:45:02,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:45:02,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 06:45:02,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 06:45:02,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 06:45:02,707 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 06:45:02,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:02,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 06:45:02,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 06:45:02,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 06:45:02,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 06:45:02,709 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 06:45:02,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:03,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 06:45:03,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 06:45:03,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 06:45:03,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 06:45:03,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 06:45:03,210 INFO L431 ainManager$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 06:45:05,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 06:45:05,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 06:45:05,527 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 06:45:05,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb6a9b38/c72d45636f024fd8aeb86c7fed27bbd8/FLAG8134c6b7b [2024-11-01 06:45:05,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb6a9b38/c72d45636f024fd8aeb86c7fed27bbd8 [2024-11-01 06:45:05,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 06:45:05,592 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 06:45:05,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 06:45:05,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 06:45:05,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 06:45:05,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:45:05" (1/1) ... [2024-11-01 06:45:05,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3614159d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:05, skipping insertion in model container [2024-11-01 06:45:05,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:45:05" (1/1) ... [2024-11-01 06:45:05,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:45:06,598 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 06:45:06,620 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 06:45:06,623 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 06:45:06,625 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:06,629 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 06:45:06,636 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 06:45:06,699 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 06:45:06,704 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 06:45:06,704 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 06:45:06,737 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:06,738 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:06,738 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:06,743 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 06:45:06,744 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 06:45:06,744 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 06:45:06,754 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 06:45:06,771 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 06:45:06,780 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 06:45:06,781 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 06:45:06,812 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 06:45:06,813 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 06:45:06,813 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 06:45:06,819 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 06:45:06,820 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 06:45:06,820 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 06:45:06,820 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 06:45:06,903 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 06:45:06,978 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 06:45:06,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:45:07,028 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-01 06:45:07,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:45:07,270 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 06:45:07,275 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 06:45:07,275 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 06:45:07,276 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 06:45:07,276 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 06:45:07,277 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 06:45:07,283 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 06:45:07,284 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 06:45:07,285 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 06:45:07,294 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 06:45:07,294 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 06:45:07,295 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 06:45:07,296 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 06:45:07,299 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 06:45:07,300 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 06:45:07,302 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 06:45:07,308 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 06:45:07,312 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 06:45:07,313 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 06:45:07,322 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 06:45:07,323 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 06:45:07,323 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 06:45:07,325 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 06:45:07,325 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 06:45:07,325 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 06:45:07,326 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 06:45:07,347 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 06:45:07,361 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 06:45:07,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:45:07,379 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 06:45:07,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-01 06:45:07,527 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 06:45:07,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:45:07,660 INFO L204 MainTranslator]: Completed translation [2024-11-01 06:45:07,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07 WrapperNode [2024-11-01 06:45:07,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 06:45:07,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 06:45:07,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 06:45:07,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 06:45:07,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:07,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:07,813 INFO L138 Inliner]: procedures = 139, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1112 [2024-11-01 06:45:07,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 06:45:07,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 06:45:07,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 06:45:07,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 06:45:07,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:07,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:07,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,017 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 121, 8, 18, 2, 7, 3, 8, 19, 44]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 34, 8, 15, 0, 0, 0, 8, 0, 0]. The 97 writes are split as follows [0, 25, 0, 1, 1, 6, 1, 0, 19, 44]. [2024-11-01 06:45:08,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 06:45:08,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 06:45:08,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 06:45:08,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 06:45:08,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (1/1) ... [2024-11-01 06:45:08,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:45:08,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 06:45:08,210 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 06:45:08,213 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 06:45:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 06:45:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 06:45:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 06:45:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 06:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 06:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 06:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 06:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 06:45:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 06:45:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-01 06:45:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-01 06:45:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-01 06:45:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 06:45:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 06:45:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 06:45:08,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 06:45:08,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 06:45:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 06:45:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 06:45:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 06:45:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 06:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 06:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 06:45:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 06:45:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-01 06:45:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-01 06:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-01 06:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-01 06:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-01 06:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-01 06:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-01 06:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-01 06:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 06:45:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 06:45:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-01 06:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-01 06:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 06:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 06:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-01 06:45:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-01 06:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 06:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 06:45:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 06:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 06:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 06:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 06:45:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 06:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 06:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 06:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 06:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 06:45:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 06:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 06:45:08,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 06:45:08,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 06:45:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 06:45:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-01 06:45:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 06:45:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 06:45:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-01 06:45:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-01 06:45:08,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-01 06:45:08,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-01 06:45:08,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-01 06:45:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-01 06:45:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-01 06:45:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-01 06:45:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-01 06:45:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-01 06:45:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-01 06:45:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-01 06:45:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-01 06:45:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-01 06:45:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-01 06:45:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-01 06:45:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 06:45:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 06:45:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-01 06:45:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-01 06:45:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 06:45:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-01 06:45:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-01 06:45:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-01 06:45:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-01 06:45:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 06:45:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 06:45:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 06:45:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 06:45:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 06:45:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 06:45:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 06:45:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 06:45:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-01 06:45:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 06:45:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 06:45:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 06:45:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 06:45:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 06:45:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 06:45:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 06:45:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 06:45:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 06:45:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 06:45:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-01 06:45:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-01 06:45:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 06:45:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 06:45:08,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 06:45:08,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 06:45:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 06:45:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 06:45:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 06:45:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 06:45:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 06:45:08,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-01 06:45:08,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 06:45:08,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 06:45:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 06:45:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 06:45:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 06:45:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 06:45:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-01 06:45:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 06:45:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 06:45:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-01 06:45:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-01 06:45:08,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 06:45:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-01 06:45:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 06:45:08,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 06:45:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 06:45:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 06:45:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-01 06:45:08,393 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-01 06:45:08,947 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 06:45:08,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 06:45:08,978 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 06:45:26,100 INFO L? ?]: Removed 575 outVars from TransFormulas that were not future-live. [2024-11-01 06:45:26,100 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 06:45:26,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 06:45:26,127 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-01 06:45:26,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:45:26 BoogieIcfgContainer [2024-11-01 06:45:26,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 06:45:26,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 06:45:26,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 06:45:26,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 06:45:26,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:45:05" (1/3) ... [2024-11-01 06:45:26,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41139166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:45:26, skipping insertion in model container [2024-11-01 06:45:26,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:07" (2/3) ... [2024-11-01 06:45:26,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41139166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:45:26, skipping insertion in model container [2024-11-01 06:45:26,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:45:26" (3/3) ... [2024-11-01 06:45:26,137 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 06:45:26,156 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 06:45:26,156 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 06:45:26,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 06:45:26,281 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;@2ceebccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 06:45:26,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 06:45:26,288 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 06:45:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-01 06:45:26,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:26,299 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 06:45:26,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:26,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:26,305 INFO L85 PathProgramCache]: Analyzing trace with hash 545351147, now seen corresponding path program 1 times [2024-11-01 06:45:26,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:26,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887689948] [2024-11-01 06:45:26,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:26,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:26,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:26,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:26,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 06:45:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:27,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:27,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:27,776 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 06:45:27,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:28,325 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 06:45:28,326 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:28,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887689948] [2024-11-01 06:45:28,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [887689948] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:28,326 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:28,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 06:45:28,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859015241] [2024-11-01 06:45:28,329 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:28,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:45:28,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:28,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:45:28,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:45:28,360 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 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 06:45:32,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:45:35,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:35,077 INFO L93 Difference]: Finished difference Result 1196 states and 1705 transitions. [2024-11-01 06:45:35,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 06:45:35,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-01 06:45:35,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:35,098 INFO L225 Difference]: With dead ends: 1196 [2024-11-01 06:45:35,099 INFO L226 Difference]: Without dead ends: 856 [2024-11-01 06:45:35,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 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 06:45:35,109 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 1066 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 91 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-01 06:45:35,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 1134 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-01 06:45:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-01 06:45:35,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2024-11-01 06:45:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 671 states have (on average 1.3502235469448585) internal successors, (906), 686 states have internal predecessors, (906), 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 06:45:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1155 transitions. [2024-11-01 06:45:35,266 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1155 transitions. Word has length 42 [2024-11-01 06:45:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:35,267 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1155 transitions. [2024-11-01 06:45:35,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 06:45:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1155 transitions. [2024-11-01 06:45:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-01 06:45:35,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:35,273 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:45:35,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 06:45:35,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:35,477 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:35,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash 374521518, now seen corresponding path program 1 times [2024-11-01 06:45:35,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:35,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130277905] [2024-11-01 06:45:35,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:35,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:35,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:35,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:35,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 06:45:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:36,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:45:36,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:45:38,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:40,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 06:45:40,149 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:40,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130277905] [2024-11-01 06:45:40,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2130277905] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:40,150 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:40,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-01 06:45:40,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925798165] [2024-11-01 06:45:40,150 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:40,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 06:45:40,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 06:45:40,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-01 06:45:40,156 INFO L87 Difference]: Start difference. First operand 856 states and 1155 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 06:45:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:41,385 INFO L93 Difference]: Finished difference Result 1685 states and 2290 transitions. [2024-11-01 06:45:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 06:45:41,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 52 [2024-11-01 06:45:41,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:41,423 INFO L225 Difference]: With dead ends: 1685 [2024-11-01 06:45:41,423 INFO L226 Difference]: Without dead ends: 1676 [2024-11-01 06:45:41,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-01 06:45:41,430 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 380 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-01 06:45:41,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 2044 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-01 06:45:41,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2024-11-01 06:45:41,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1664. [2024-11-01 06:45:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1304 states have (on average 1.353527607361963) internal successors, (1765), 1334 states have internal predecessors, (1765), 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 06:45:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2264 transitions. [2024-11-01 06:45:41,509 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2264 transitions. Word has length 52 [2024-11-01 06:45:41,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:41,509 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2264 transitions. [2024-11-01 06:45:41,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 06:45:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2264 transitions. [2024-11-01 06:45:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-01 06:45:41,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:41,518 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:45:41,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 06:45:41,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:41,719 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:41,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1613436999, now seen corresponding path program 1 times [2024-11-01 06:45:41,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:41,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322290936] [2024-11-01 06:45:41,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:41,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:41,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:41,724 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:41,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 06:45:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:43,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:43,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-01 06:45:43,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-01 06:45:46,415 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:46,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322290936] [2024-11-01 06:45:46,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [322290936] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:46,415 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:46,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:45:46,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650917745] [2024-11-01 06:45:46,415 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:46,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:45:46,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:46,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:45:46,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:46,418 INFO L87 Difference]: Start difference. First operand 1664 states and 2264 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 06:45:47,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:47,009 INFO L93 Difference]: Finished difference Result 3610 states and 4955 transitions. [2024-11-01 06:45:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:47,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 162 [2024-11-01 06:45:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:47,025 INFO L225 Difference]: With dead ends: 3610 [2024-11-01 06:45:47,025 INFO L226 Difference]: Without dead ends: 1973 [2024-11-01 06:45:47,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 321 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 06:45:47,035 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 06:45:47,036 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 06:45:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-11-01 06:45:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1921. [2024-11-01 06:45:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1537 states have (on average 1.376057254391672) internal successors, (2115), 1567 states have internal predecessors, (2115), 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 06:45:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2642 transitions. [2024-11-01 06:45:47,220 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2642 transitions. Word has length 162 [2024-11-01 06:45:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:47,221 INFO L471 AbstractCegarLoop]: Abstraction has 1921 states and 2642 transitions. [2024-11-01 06:45:47,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 06:45:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2642 transitions. [2024-11-01 06:45:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-01 06:45:47,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:47,232 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:45:47,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 06:45:47,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:47,434 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:47,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:47,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1259356247, now seen corresponding path program 1 times [2024-11-01 06:45:47,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:47,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625552475] [2024-11-01 06:45:47,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:47,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:47,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:47,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:47,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 06:45:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:48,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:48,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-01 06:45:49,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-01 06:45:53,173 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:53,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625552475] [2024-11-01 06:45:53,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1625552475] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:53,174 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:53,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:45:53,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317311516] [2024-11-01 06:45:53,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:53,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:45:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:53,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:45:53,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:45:53,176 INFO L87 Difference]: Start difference. First operand 1921 states and 2642 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 06:45:57,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:45:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:45:57,902 INFO L93 Difference]: Finished difference Result 5320 states and 7304 transitions. [2024-11-01 06:45:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:45:57,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 184 [2024-11-01 06:45:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:45:57,929 INFO L225 Difference]: With dead ends: 5320 [2024-11-01 06:45:57,930 INFO L226 Difference]: Without dead ends: 3430 [2024-11-01 06:45:57,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 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 06:45:57,942 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 360 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 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, 4.6s IncrementalHoareTripleChecker+Time [2024-11-01 06:45:57,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 874 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-01 06:45:57,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2024-11-01 06:45:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3421. [2024-11-01 06:45:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 2719 states have (on average 1.360058845163663) internal successors, (3698), 2779 states have internal predecessors, (3698), 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 06:45:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 4647 transitions. [2024-11-01 06:45:58,106 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 4647 transitions. Word has length 184 [2024-11-01 06:45:58,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:45:58,107 INFO L471 AbstractCegarLoop]: Abstraction has 3421 states and 4647 transitions. [2024-11-01 06:45:58,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 06:45:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 4647 transitions. [2024-11-01 06:45:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-01 06:45:58,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:58,119 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:45:58,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-01 06:45:58,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:58,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:58,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:58,321 INFO L85 PathProgramCache]: Analyzing trace with hash 123548363, now seen corresponding path program 1 times [2024-11-01 06:45:58,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:58,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739654476] [2024-11-01 06:45:58,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:58,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:58,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:58,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-01 06:45:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:59,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:46:00,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-01 06:46:00,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-01 06:46:02,844 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:02,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739654476] [2024-11-01 06:46:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1739654476] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:02,845 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:02,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:46:02,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693499019] [2024-11-01 06:46:02,845 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:02,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:46:02,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:46:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:46:02,847 INFO L87 Difference]: Start difference. First operand 3421 states and 4647 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-01 06:46:03,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:03,042 INFO L93 Difference]: Finished difference Result 5166 states and 7060 transitions. [2024-11-01 06:46:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:46:03,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 184 [2024-11-01 06:46:03,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:03,067 INFO L225 Difference]: With dead ends: 5166 [2024-11-01 06:46:03,067 INFO L226 Difference]: Without dead ends: 3433 [2024-11-01 06:46:03,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 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 06:46:03,075 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 3 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:03,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 828 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 06:46:03,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3433 states. [2024-11-01 06:46:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3433 to 3433. [2024-11-01 06:46:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3433 states, 2731 states have (on average 1.3584767484437934) internal successors, (3710), 2791 states have internal predecessors, (3710), 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 06:46:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 4659 transitions. [2024-11-01 06:46:03,365 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 4659 transitions. Word has length 184 [2024-11-01 06:46:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:03,366 INFO L471 AbstractCegarLoop]: Abstraction has 3433 states and 4659 transitions. [2024-11-01 06:46:03,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-01 06:46:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 4659 transitions. [2024-11-01 06:46:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-01 06:46:03,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:03,375 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:46:03,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-01 06:46:03,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:03,576 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:03,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:03,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1647000202, now seen corresponding path program 1 times [2024-11-01 06:46:03,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:03,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119005237] [2024-11-01 06:46:03,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:03,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:03,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:03,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-01 06:46:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:04,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:46:04,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-01 06:46:05,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-01 06:46:08,332 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:08,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119005237] [2024-11-01 06:46:08,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1119005237] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:08,333 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:08,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 06:46:08,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128201669] [2024-11-01 06:46:08,333 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:08,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 06:46:08,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:08,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 06:46:08,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:08,335 INFO L87 Difference]: Start difference. First operand 3433 states and 4659 transitions. Second operand has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 states have internal predecessors, (171), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-01 06:46:08,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:08,674 INFO L93 Difference]: Finished difference Result 6848 states and 9299 transitions. [2024-11-01 06:46:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 06:46:08,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 states have internal predecessors, (171), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 186 [2024-11-01 06:46:08,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:08,695 INFO L225 Difference]: With dead ends: 6848 [2024-11-01 06:46:08,695 INFO L226 Difference]: Without dead ends: 3435 [2024-11-01 06:46:08,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:08,751 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:08,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2080 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 06:46:08,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2024-11-01 06:46:08,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 3435. [2024-11-01 06:46:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3435 states, 2733 states have (on average 1.358214416392243) internal successors, (3712), 2793 states have internal predecessors, (3712), 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 06:46:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4661 transitions. [2024-11-01 06:46:08,883 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4661 transitions. Word has length 186 [2024-11-01 06:46:08,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:08,884 INFO L471 AbstractCegarLoop]: Abstraction has 3435 states and 4661 transitions. [2024-11-01 06:46:08,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.5) internal successors, (171), 6 states have internal predecessors, (171), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-01 06:46:08,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4661 transitions. [2024-11-01 06:46:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-01 06:46:08,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:08,891 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:46:08,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-01 06:46:09,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:09,097 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:09,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:09,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1527417482, now seen corresponding path program 1 times [2024-11-01 06:46:09,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:09,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365308625] [2024-11-01 06:46:09,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:09,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:09,100 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:09,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-01 06:46:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:10,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:46:10,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-01 06:46:10,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-01 06:46:14,274 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:14,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365308625] [2024-11-01 06:46:14,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1365308625] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:14,274 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:14,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 06:46:14,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82679683] [2024-11-01 06:46:14,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:14,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 06:46:14,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:14,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 06:46:14,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:14,277 INFO L87 Difference]: Start difference. First operand 3435 states and 4661 transitions. Second operand has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-01 06:46:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:14,654 INFO L93 Difference]: Finished difference Result 6844 states and 9294 transitions. [2024-11-01 06:46:14,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 06:46:14,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 188 [2024-11-01 06:46:14,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:14,675 INFO L225 Difference]: With dead ends: 6844 [2024-11-01 06:46:14,676 INFO L226 Difference]: Without dead ends: 3437 [2024-11-01 06:46:14,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:14,687 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1665 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 06:46:14,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1665 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 06:46:14,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2024-11-01 06:46:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3437. [2024-11-01 06:46:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3437 states, 2735 states have (on average 1.3579524680073125) internal successors, (3714), 2795 states have internal predecessors, (3714), 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 06:46:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3437 states and 4663 transitions. [2024-11-01 06:46:14,824 INFO L78 Accepts]: Start accepts. Automaton has 3437 states and 4663 transitions. Word has length 188 [2024-11-01 06:46:14,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:14,825 INFO L471 AbstractCegarLoop]: Abstraction has 3437 states and 4663 transitions. [2024-11-01 06:46:14,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-01 06:46:14,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 4663 transitions. [2024-11-01 06:46:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-01 06:46:14,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:14,834 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:46:14,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-01 06:46:15,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:15,035 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:15,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:15,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1112491786, now seen corresponding path program 1 times [2024-11-01 06:46:15,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:15,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685094822] [2024-11-01 06:46:15,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:15,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:15,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:15,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-01 06:46:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:17,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:46:17,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-01 06:46:17,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-01 06:46:21,784 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:21,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685094822] [2024-11-01 06:46:21,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [685094822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 06:46:21,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 06:46:21,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 06:46:21,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628813997] [2024-11-01 06:46:21,785 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 06:46:21,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:46:21,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:21,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:46:21,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:21,789 INFO L87 Difference]: Start difference. First operand 3437 states and 4663 transitions. Second operand has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-01 06:46:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:22,719 INFO L93 Difference]: Finished difference Result 6854 states and 9305 transitions. [2024-11-01 06:46:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 06:46:22,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 190 [2024-11-01 06:46:22,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:22,735 INFO L225 Difference]: With dead ends: 6854 [2024-11-01 06:46:22,735 INFO L226 Difference]: Without dead ends: 3439 [2024-11-01 06:46:22,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:22,742 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 3325 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:22,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3742 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-01 06:46:22,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2024-11-01 06:46:22,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3439. [2024-11-01 06:46:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 2737 states have (on average 1.3576909024479358) internal successors, (3716), 2797 states have internal predecessors, (3716), 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 06:46:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 4665 transitions. [2024-11-01 06:46:22,853 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 4665 transitions. Word has length 190 [2024-11-01 06:46:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:22,854 INFO L471 AbstractCegarLoop]: Abstraction has 3439 states and 4665 transitions. [2024-11-01 06:46:22,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-01 06:46:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 4665 transitions. [2024-11-01 06:46:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-01 06:46:22,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:22,861 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:46:22,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-01 06:46:23,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:23,066 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:23,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:23,067 INFO L85 PathProgramCache]: Analyzing trace with hash 453416714, now seen corresponding path program 2 times [2024-11-01 06:46:23,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:23,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821484980] [2024-11-01 06:46:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:23,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:23,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:23,070 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:23,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-01 06:46:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:25,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:46:25,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-01 06:46:26,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-01 06:46:29,736 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:29,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821484980] [2024-11-01 06:46:29,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1821484980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 06:46:29,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 06:46:29,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 06:46:29,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844020053] [2024-11-01 06:46:29,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 06:46:29,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:46:29,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:29,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:46:29,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:29,738 INFO L87 Difference]: Start difference. First operand 3439 states and 4665 transitions. Second operand has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-01 06:46:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:30,206 INFO L93 Difference]: Finished difference Result 6848 states and 9298 transitions. [2024-11-01 06:46:30,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 06:46:30,208 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 192 [2024-11-01 06:46:30,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:30,223 INFO L225 Difference]: With dead ends: 6848 [2024-11-01 06:46:30,223 INFO L226 Difference]: Without dead ends: 3441 [2024-11-01 06:46:30,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:30,232 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 0 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:30,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1667 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 06:46:30,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2024-11-01 06:46:30,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3441. [2024-11-01 06:46:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3441 states, 2739 states have (on average 1.357429718875502) internal successors, (3718), 2799 states have internal predecessors, (3718), 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 06:46:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 4667 transitions. [2024-11-01 06:46:30,343 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 4667 transitions. Word has length 192 [2024-11-01 06:46:30,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:30,344 INFO L471 AbstractCegarLoop]: Abstraction has 3441 states and 4667 transitions. [2024-11-01 06:46:30,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-01 06:46:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 4667 transitions. [2024-11-01 06:46:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-01 06:46:30,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:30,351 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, 1, 1] [2024-11-01 06:46:30,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-01 06:46:30,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:30,556 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:30,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:30,556 INFO L85 PathProgramCache]: Analyzing trace with hash -210095222, now seen corresponding path program 3 times [2024-11-01 06:46:30,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:30,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363514936] [2024-11-01 06:46:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:30,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:30,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:30,559 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:30,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-01 06:46:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:32,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 06:46:32,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-01 06:46:36,619 INFO L311 TraceCheckSpWp]: Computing backward predicates...