/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 06:41:59,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 06:41:59,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 06:41:59,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 06:41:59,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 06:41:59,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 06:41:59,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 06:41:59,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 06:41:59,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 06:41:59,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 06:41:59,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 06:41:59,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 06:41:59,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 06:41:59,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 06:41:59,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 06:41:59,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 06:41:59,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 06:41:59,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 06:41:59,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 06:41:59,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 06:41:59,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 06:41:59,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 06:41:59,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 06:41:59,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 06:41:59,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 06:41:59,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 06:41:59,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 06:41:59,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 06:41:59,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 06:41:59,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 06:41:59,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 06:41:59,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:41:59,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 06:41:59,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 06:41:59,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 06:41:59,564 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 06:41:59,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 06:41:59,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 06:41:59,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 06:41:59,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 06:41:59,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 06:41:59,569 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:41:59,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 06:41:59,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 06:41:59,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 06:41:59,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 06:41:59,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 06:41:59,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-05 06:42:01,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 06:42:01,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 06:42:01,550 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-05 06:42:01,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435acd1c0/6d3daf8895314e52838e296f2b6ef82b/FLAG9dc538e79 [2024-11-05 06:42:01,592 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/435acd1c0/6d3daf8895314e52838e296f2b6ef82b [2024-11-05 06:42:01,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 06:42:01,596 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 06:42:01,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 06:42:01,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 06:42:01,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 06:42:01,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:42:01" (1/1) ... [2024-11-05 06:42:01,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161f4b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:01, skipping insertion in model container [2024-11-05 06:42:01,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:42:01" (1/1) ... [2024-11-05 06:42:01,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 06:42:02,341 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,369 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,393 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,397 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,397 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,414 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,415 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,419 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,425 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,433 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,434 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,435 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,435 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,436 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,436 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,441 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,442 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,443 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,443 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,443 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,447 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,448 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,449 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,450 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,455 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,461 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,489 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,489 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,490 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,490 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,490 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,491 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,491 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,491 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,491 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,492 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,492 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-05 06:42:02,542 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:42:02,574 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 06:42:02,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 06:42:02,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,745 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,762 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,770 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,771 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,783 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,784 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,786 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,786 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,788 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,789 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,791 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,792 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,799 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,809 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,812 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,817 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,817 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-05 06:42:02,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:42:02,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:42:02,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 06:42:02,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3278] [2024-11-05 06:42:02,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3281] [2024-11-05 06:42:02,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3284] [2024-11-05 06:42:02,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3287] [2024-11-05 06:42:02,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3300] [2024-11-05 06:42:03,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-05 06:42:03,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:42:03,117 INFO L204 MainTranslator]: Completed translation [2024-11-05 06:42:03,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03 WrapperNode [2024-11-05 06:42:03,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 06:42:03,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 06:42:03,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 06:42:03,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 06:42:03,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,312 INFO L138 Inliner]: procedures = 149, calls = 665, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 2008 [2024-11-05 06:42:03,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 06:42:03,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 06:42:03,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 06:42:03,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 06:42:03,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,490 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 6, 2, 292, 1, 9, 3, 24]. 86 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0, 0, 0, 0, 0, 0]. The 169 writes are split as follows [0, 0, 2, 138, 0, 2, 3, 24]. [2024-11-05 06:42:03,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 06:42:03,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 06:42:03,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 06:42:03,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 06:42:03,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (1/1) ... [2024-11-05 06:42:03,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:42:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 06:42:03,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 06:42:03,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 06:42:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-05 06:42:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-05 06:42:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 06:42:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 06:42:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 06:42:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 06:42:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 06:42:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 06:42:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 06:42:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-05 06:42:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 06:42:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 06:42:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 06:42:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 06:42:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-05 06:42:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2024-11-05 06:42:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-05 06:42:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-05 06:42:03,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-05 06:42:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-05 06:42:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-05 06:42:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-05 06:42:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-05 06:42:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-05 06:42:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 06:42:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 06:42:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2024-11-05 06:42:03,682 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2024-11-05 06:42:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2024-11-05 06:42:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2024-11-05 06:42:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-05 06:42:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-05 06:42:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2024-11-05 06:42:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2024-11-05 06:42:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 06:42:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 06:42:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2024-11-05 06:42:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2024-11-05 06:42:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-05 06:42:03,683 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-05 06:42:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 06:42:03,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 06:42:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 06:42:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 06:42:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 06:42:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 06:42:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 06:42:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 06:42:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2024-11-05 06:42:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-05 06:42:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 06:42:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-05 06:42:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2024-11-05 06:42:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-05 06:42:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 06:42:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 06:42:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2024-11-05 06:42:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2024-11-05 06:42:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 06:42:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-05 06:42:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-05 06:42:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-05 06:42:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2024-11-05 06:42:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-05 06:42:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 06:42:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 06:42:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 06:42:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 06:42:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 06:42:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2024-11-05 06:42:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 06:42:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 06:42:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2024-11-05 06:42:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2024-11-05 06:42:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-05 06:42:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2024-11-05 06:42:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2024-11-05 06:42:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 06:42:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 06:42:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2024-11-05 06:42:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2024-11-05 06:42:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2024-11-05 06:42:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2024-11-05 06:42:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 06:42:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 06:42:04,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 06:42:04,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 06:42:04,323 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 06:42:54,096 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-05 06:42:54,096 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 06:42:54,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 06:42:54,124 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 06:42:54,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:42:54 BoogieIcfgContainer [2024-11-05 06:42:54,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 06:42:54,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 06:42:54,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 06:42:54,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 06:42:54,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:42:01" (1/3) ... [2024-11-05 06:42:54,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1644c780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:42:54, skipping insertion in model container [2024-11-05 06:42:54,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:42:03" (2/3) ... [2024-11-05 06:42:54,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1644c780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:42:54, skipping insertion in model container [2024-11-05 06:42:54,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:42:54" (3/3) ... [2024-11-05 06:42:54,133 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-05 06:42:54,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 06:42:54,144 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 06:42:54,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 06:42:54,215 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;@7ed96b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 06:42:54,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 06:42:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-05 06:42:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 06:42:54,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:42:54,235 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:42:54,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:42:54,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:42:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash 644307601, now seen corresponding path program 1 times [2024-11-05 06:42:54,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:42:54,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066244708] [2024-11-05 06:42:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:42:54,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:42:54,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:42:54,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:42:54,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 06:42:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:42:54,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 06:42:54,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:42:54,891 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-05 06:42:54,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:42:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-05 06:42:55,619 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:42:55,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066244708] [2024-11-05 06:42:55,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1066244708] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:42:55,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:42:55,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 06:42:55,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186822048] [2024-11-05 06:42:55,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:42:55,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 06:42:55,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:42:55,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 06:42:55,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:42:55,645 INFO L87 Difference]: Start difference. First operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 06:42:55,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:42:55,721 INFO L93 Difference]: Finished difference Result 1531 states and 2271 transitions. [2024-11-05 06:42:55,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 06:42:55,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2024-11-05 06:42:55,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:42:55,743 INFO L225 Difference]: With dead ends: 1531 [2024-11-05 06:42:55,744 INFO L226 Difference]: Without dead ends: 751 [2024-11-05 06:42:55,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:42:55,758 INFO L432 NwaCegarLoop]: 1114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:42:55,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 06:42:55,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-05 06:42:55,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-05 06:42:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 523 states have (on average 1.3747609942638623) internal successors, (719), 553 states have internal predecessors, (719), 187 states have call successors, (187), 41 states have call predecessors, (187), 40 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:42:55,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1092 transitions. [2024-11-05 06:42:55,834 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1092 transitions. Word has length 173 [2024-11-05 06:42:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:42:55,835 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1092 transitions. [2024-11-05 06:42:55,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 06:42:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1092 transitions. [2024-11-05 06:42:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 06:42:55,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:42:55,838 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:42:55,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 06:42:56,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:42:56,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:42:56,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:42:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash 729284101, now seen corresponding path program 1 times [2024-11-05 06:42:56,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:42:56,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370214791] [2024-11-05 06:42:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:42:56,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:42:56,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:42:56,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:42:56,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 06:42:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:42:56,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 06:42:56,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:42:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-05 06:42:56,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:42:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-05 06:42:57,612 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:42:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370214791] [2024-11-05 06:42:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [370214791] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:42:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:42:57,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 06:42:57,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745303965] [2024-11-05 06:42:57,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:42:57,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:42:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:42:57,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:42:57,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:42:57,615 INFO L87 Difference]: Start difference. First operand 751 states and 1092 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:42:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:42:57,770 INFO L93 Difference]: Finished difference Result 1482 states and 2158 transitions. [2024-11-05 06:42:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:42:57,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-05 06:42:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:42:57,775 INFO L225 Difference]: With dead ends: 1482 [2024-11-05 06:42:57,775 INFO L226 Difference]: Without dead ends: 752 [2024-11-05 06:42:57,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:42:57,778 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 0 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 06:42:57,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3258 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 06:42:57,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-11-05 06:42:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2024-11-05 06:42:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 524 states have (on average 1.3740458015267176) internal successors, (720), 554 states have internal predecessors, (720), 187 states have call successors, (187), 41 states have call predecessors, (187), 40 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:42:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1093 transitions. [2024-11-05 06:42:57,802 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1093 transitions. Word has length 173 [2024-11-05 06:42:57,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:42:57,802 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1093 transitions. [2024-11-05 06:42:57,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 06:42:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1093 transitions. [2024-11-05 06:42:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-05 06:42:57,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:42:57,804 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:42:57,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 06:42:58,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:42:58,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:42:58,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:42:58,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1618973394, now seen corresponding path program 1 times [2024-11-05 06:42:58,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:42:58,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543734112] [2024-11-05 06:42:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:42:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:42:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:42:58,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:42:58,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 06:42:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:42:58,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 06:42:58,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:42:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-05 06:42:58,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:42:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-05 06:42:59,806 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:42:59,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543734112] [2024-11-05 06:42:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1543734112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:42:59,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:42:59,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 06:42:59,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989688291] [2024-11-05 06:42:59,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:42:59,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 06:42:59,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:42:59,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 06:42:59,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:42:59,808 INFO L87 Difference]: Start difference. First operand 752 states and 1093 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:43:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:00,463 INFO L93 Difference]: Finished difference Result 1493 states and 2174 transitions. [2024-11-05 06:43:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 06:43:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 178 [2024-11-05 06:43:00,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:00,469 INFO L225 Difference]: With dead ends: 1493 [2024-11-05 06:43:00,469 INFO L226 Difference]: Without dead ends: 762 [2024-11-05 06:43:00,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 06:43:00,472 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 4 mSDsluCounter, 3244 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:00,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4331 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 06:43:00,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-05 06:43:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2024-11-05 06:43:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 533 states have (on average 1.3733583489681052) internal successors, (732), 563 states have internal predecessors, (732), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:43:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1105 transitions. [2024-11-05 06:43:00,492 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1105 transitions. Word has length 178 [2024-11-05 06:43:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:00,493 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1105 transitions. [2024-11-05 06:43:00,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:43:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1105 transitions. [2024-11-05 06:43:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-05 06:43:00,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:00,494 INFO L215 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:00,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-05 06:43:00,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:00,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:00,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash -523731931, now seen corresponding path program 2 times [2024-11-05 06:43:00,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:00,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083989030] [2024-11-05 06:43:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:00,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:00,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:00,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:00,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 06:43:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:01,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 06:43:01,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-05 06:43:01,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:02,888 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-05 06:43:02,888 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:02,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083989030] [2024-11-05 06:43:02,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2083989030] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:43:02,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:43:02,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 06:43:02,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083907508] [2024-11-05 06:43:02,888 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:43:02,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 06:43:02,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 06:43:02,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 06:43:02,890 INFO L87 Difference]: Start difference. First operand 762 states and 1105 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 06:43:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:03,838 INFO L93 Difference]: Finished difference Result 1508 states and 2190 transitions. [2024-11-05 06:43:03,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-05 06:43:03,839 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 187 [2024-11-05 06:43:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:03,844 INFO L225 Difference]: With dead ends: 1508 [2024-11-05 06:43:03,845 INFO L226 Difference]: Without dead ends: 766 [2024-11-05 06:43:03,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-05 06:43:03,849 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 6 mSDsluCounter, 5409 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6496 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:03,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6496 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 06:43:03,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-05 06:43:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2024-11-05 06:43:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 537 states have (on average 1.366852886405959) internal successors, (734), 567 states have internal predecessors, (734), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:43:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1107 transitions. [2024-11-05 06:43:03,876 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1107 transitions. Word has length 187 [2024-11-05 06:43:03,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:03,876 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1107 transitions. [2024-11-05 06:43:03,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 06:43:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1107 transitions. [2024-11-05 06:43:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-05 06:43:03,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:03,879 INFO L215 NwaCegarLoop]: trace histogram [26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:03,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-05 06:43:04,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:04,080 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:04,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:04,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1754091109, now seen corresponding path program 3 times [2024-11-05 06:43:04,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:04,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701750129] [2024-11-05 06:43:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:04,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:04,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:04,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:04,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 06:43:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:04,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 06:43:04,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 290 proven. 21 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-05 06:43:05,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 38 proven. 163 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-11-05 06:43:07,810 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:07,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701750129] [2024-11-05 06:43:07,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1701750129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:43:07,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:43:07,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-05 06:43:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461777705] [2024-11-05 06:43:07,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:43:07,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 06:43:07,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:07,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 06:43:07,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-05 06:43:07,812 INFO L87 Difference]: Start difference. First operand 766 states and 1107 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 06:43:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:09,779 INFO L93 Difference]: Finished difference Result 1518 states and 2199 transitions. [2024-11-05 06:43:09,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-05 06:43:09,780 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 199 [2024-11-05 06:43:09,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:09,784 INFO L225 Difference]: With dead ends: 1518 [2024-11-05 06:43:09,784 INFO L226 Difference]: Without dead ends: 770 [2024-11-05 06:43:09,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-05 06:43:09,788 INFO L432 NwaCegarLoop]: 1087 mSDtfsCounter, 9 mSDsluCounter, 11896 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12983 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:09,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12983 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-05 06:43:09,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-05 06:43:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2024-11-05 06:43:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 541 states have (on average 1.365988909426987) internal successors, (739), 571 states have internal predecessors, (739), 187 states have call successors, (187), 42 states have call predecessors, (187), 41 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:43:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1112 transitions. [2024-11-05 06:43:09,828 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1112 transitions. Word has length 199 [2024-11-05 06:43:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:09,828 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 1112 transitions. [2024-11-05 06:43:09,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-05 06:43:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1112 transitions. [2024-11-05 06:43:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-05 06:43:09,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:09,830 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:09,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-05 06:43:10,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:10,031 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:10,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash 390865797, now seen corresponding path program 4 times [2024-11-05 06:43:10,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:10,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662027360] [2024-11-05 06:43:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:10,032 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:10,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:10,035 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:10,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 06:43:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:11,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:43:11,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:11,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:12,124 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:12,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662027360] [2024-11-05 06:43:12,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1662027360] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:43:12,124 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:43:12,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 06:43:12,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376658915] [2024-11-05 06:43:12,124 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:43:12,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 06:43:12,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:12,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 06:43:12,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:43:12,126 INFO L87 Difference]: Start difference. First operand 770 states and 1112 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:12,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:12,415 INFO L93 Difference]: Finished difference Result 1776 states and 2558 transitions. [2024-11-05 06:43:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 06:43:12,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 205 [2024-11-05 06:43:12,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:12,421 INFO L225 Difference]: With dead ends: 1776 [2024-11-05 06:43:12,421 INFO L226 Difference]: Without dead ends: 1064 [2024-11-05 06:43:12,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:43:12,424 INFO L432 NwaCegarLoop]: 1152 mSDtfsCounter, 454 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:12,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2154 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 06:43:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-05 06:43:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1061. [2024-11-05 06:43:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 740 states have (on average 1.3675675675675676) internal successors, (1012), 787 states have internal predecessors, (1012), 253 states have call successors, (253), 68 states have call predecessors, (253), 67 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-05 06:43:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1517 transitions. [2024-11-05 06:43:12,456 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1517 transitions. Word has length 205 [2024-11-05 06:43:12,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:12,457 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1517 transitions. [2024-11-05 06:43:12,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1517 transitions. [2024-11-05 06:43:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-05 06:43:12,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:12,460 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:12,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-05 06:43:12,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:12,662 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:12,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:12,662 INFO L85 PathProgramCache]: Analyzing trace with hash 52155318, now seen corresponding path program 1 times [2024-11-05 06:43:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808984338] [2024-11-05 06:43:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:12,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:12,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:12,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:12,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-05 06:43:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:13,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:43:13,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:13,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:14,789 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:14,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808984338] [2024-11-05 06:43:14,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [808984338] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:43:14,789 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:43:14,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 06:43:14,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731786737] [2024-11-05 06:43:14,790 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:43:14,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:43:14,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:14,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:43:14,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:14,791 INFO L87 Difference]: Start difference. First operand 1061 states and 1517 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:17,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:17,864 INFO L93 Difference]: Finished difference Result 4026 states and 6055 transitions. [2024-11-05 06:43:17,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:43:17,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 215 [2024-11-05 06:43:17,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:17,882 INFO L225 Difference]: With dead ends: 4026 [2024-11-05 06:43:17,883 INFO L226 Difference]: Without dead ends: 3033 [2024-11-05 06:43:17,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:17,888 INFO L432 NwaCegarLoop]: 1191 mSDtfsCounter, 2138 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2138 SdHoareTripleChecker+Valid, 3924 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:17,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2138 Valid, 3924 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-05 06:43:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2024-11-05 06:43:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3027. [2024-11-05 06:43:18,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 2116 states have (on average 1.3761814744801513) internal successors, (2912), 2251 states have internal predecessors, (2912), 719 states have call successors, (719), 194 states have call predecessors, (719), 191 states have return successors, (883), 674 states have call predecessors, (883), 718 states have call successors, (883) [2024-11-05 06:43:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4514 transitions. [2024-11-05 06:43:18,023 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4514 transitions. Word has length 215 [2024-11-05 06:43:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:18,024 INFO L471 AbstractCegarLoop]: Abstraction has 3027 states and 4514 transitions. [2024-11-05 06:43:18,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4514 transitions. [2024-11-05 06:43:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-05 06:43:18,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:18,026 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:18,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-05 06:43:18,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:18,227 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:18,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -184980856, now seen corresponding path program 1 times [2024-11-05 06:43:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291888678] [2024-11-05 06:43:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:18,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:18,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:18,229 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:18,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-05 06:43:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:19,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:43:19,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:19,636 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:20,452 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:20,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291888678] [2024-11-05 06:43:20,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [291888678] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:43:20,452 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:43:20,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 06:43:20,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403039372] [2024-11-05 06:43:20,452 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:43:20,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:43:20,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:20,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:43:20,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:20,453 INFO L87 Difference]: Start difference. First operand 3027 states and 4514 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:23,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:23,218 INFO L93 Difference]: Finished difference Result 11880 states and 18951 transitions. [2024-11-05 06:43:23,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:43:23,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 216 [2024-11-05 06:43:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:23,268 INFO L225 Difference]: With dead ends: 11880 [2024-11-05 06:43:23,268 INFO L226 Difference]: Without dead ends: 8921 [2024-11-05 06:43:23,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:23,283 INFO L432 NwaCegarLoop]: 1109 mSDtfsCounter, 2145 mSDsluCounter, 2727 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:23,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 3836 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-05 06:43:23,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8921 states. [2024-11-05 06:43:23,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8921 to 8915. [2024-11-05 06:43:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8915 states, 6242 states have (on average 1.3768023069528996) internal successors, (8594), 6633 states have internal predecessors, (8594), 2109 states have call successors, (2109), 572 states have call predecessors, (2109), 563 states have return successors, (3310), 1985 states have call predecessors, (3310), 2108 states have call successors, (3310) [2024-11-05 06:43:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8915 states to 8915 states and 14013 transitions. [2024-11-05 06:43:23,660 INFO L78 Accepts]: Start accepts. Automaton has 8915 states and 14013 transitions. Word has length 216 [2024-11-05 06:43:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:23,661 INFO L471 AbstractCegarLoop]: Abstraction has 8915 states and 14013 transitions. [2024-11-05 06:43:23,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 8915 states and 14013 transitions. [2024-11-05 06:43:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-05 06:43:23,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:23,662 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:23,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-05 06:43:23,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:23,863 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:23,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:23,863 INFO L85 PathProgramCache]: Analyzing trace with hash -428486354, now seen corresponding path program 1 times [2024-11-05 06:43:23,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:23,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310218379] [2024-11-05 06:43:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:23,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:23,865 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:23,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-05 06:43:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:25,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:43:25,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:25,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:26,096 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:26,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310218379] [2024-11-05 06:43:26,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [310218379] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:43:26,097 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:43:26,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 06:43:26,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628072674] [2024-11-05 06:43:26,097 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:43:26,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:43:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:26,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:43:26,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:26,098 INFO L87 Difference]: Start difference. First operand 8915 states and 14013 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:29,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:43:29,550 INFO L93 Difference]: Finished difference Result 35408 states and 60867 transitions. [2024-11-05 06:43:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:43:29,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 217 [2024-11-05 06:43:29,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:43:29,707 INFO L225 Difference]: With dead ends: 35408 [2024-11-05 06:43:29,707 INFO L226 Difference]: Without dead ends: 26561 [2024-11-05 06:43:29,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:29,823 INFO L432 NwaCegarLoop]: 1107 mSDtfsCounter, 2147 mSDsluCounter, 2733 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 3840 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-05 06:43:29,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 3840 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-05 06:43:29,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26561 states. [2024-11-05 06:43:31,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26561 to 26555. [2024-11-05 06:43:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26555 states, 18620 states have (on average 1.3748657357679914) internal successors, (25600), 19755 states have internal predecessors, (25600), 6255 states have call successors, (6255), 1706 states have call predecessors, (6255), 1679 states have return successors, (12907), 5918 states have call predecessors, (12907), 6254 states have call successors, (12907) [2024-11-05 06:43:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26555 states to 26555 states and 44762 transitions. [2024-11-05 06:43:31,295 INFO L78 Accepts]: Start accepts. Automaton has 26555 states and 44762 transitions. Word has length 217 [2024-11-05 06:43:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:43:31,296 INFO L471 AbstractCegarLoop]: Abstraction has 26555 states and 44762 transitions. [2024-11-05 06:43:31,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-05 06:43:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 26555 states and 44762 transitions. [2024-11-05 06:43:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-05 06:43:31,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:43:31,298 INFO L215 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:43:31,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-05 06:43:31,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:31,499 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:43:31,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:43:31,500 INFO L85 PathProgramCache]: Analyzing trace with hash -869440896, now seen corresponding path program 1 times [2024-11-05 06:43:31,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:43:31,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556739141] [2024-11-05 06:43:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:43:31,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:43:31,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:43:31,502 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:43:31,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-05 06:43:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:43:32,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:43:32,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:43:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:33,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:43:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-05 06:43:33,922 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:43:33,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556739141] [2024-11-05 06:43:33,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1556739141] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:43:33,922 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:43:33,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 06:43:33,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298182050] [2024-11-05 06:43:33,923 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:43:33,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:43:33,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:43:33,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:43:33,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 06:43:33,924 INFO L87 Difference]: Start difference. First operand 26555 states and 44762 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)