/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 04:49:08,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 04:49:08,105 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 04:49:08,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 04:49:08,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 04:49:08,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 04:49:08,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 04:49:08,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 04:49:08,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 04:49:08,128 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 04:49:08,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 04:49:08,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 04:49:08,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 04:49:08,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 04:49:08,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 04:49:08,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 04:49:08,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 04:49:08,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 04:49:08,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 04:49:08,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 04:49:08,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 04:49:08,134 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 04:49:08,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 04:49:08,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 04:49:08,135 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 04:49:08,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 04:49:08,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 04:49:08,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 04:49:08,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 04:49:08,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 04:49:08,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 04:49:08,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 04:49:08,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 04:49:08,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 04:49:08,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 04:49:08,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 04:49:08,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 04:49:08,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 04:49:08,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 04:49:08,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 04:49:08,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 04:49:08,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-05 04:49:09,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 04:49:09,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 04:49:09,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-05 04:49:09,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a75137d7/c25cee1d7e804992804f0d7d63dcc049/FLAG865e8bb46 [2024-11-05 04:49:10,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a75137d7/c25cee1d7e804992804f0d7d63dcc049 [2024-11-05 04:49:10,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 04:49:10,030 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 04:49:10,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 04:49:10,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 04:49:10,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 04:49:10,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:49:10" (1/1) ... [2024-11-05 04:49:10,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e121d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:10, skipping insertion in model container [2024-11-05 04:49:10,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:49:10" (1/1) ... [2024-11-05 04:49:10,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 04:49:10,609 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 04:49:10,760 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 04:49:10,801 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 04:49:10,804 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 04:49:10,809 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 04:49:10,816 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 04:49:10,828 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 04:49:10,828 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 04:49:10,829 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 04:49:10,829 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 04:49:10,847 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 04:49:10,847 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 04:49:10,848 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 04:49:10,849 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 04:49:10,849 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 04:49:10,852 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 04:49:10,854 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 04:49:10,854 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 04:49:10,870 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 04:49:10,879 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 04:49:10,880 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 04:49:10,881 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 04:49:10,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 04:49:10,888 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 04:49:10,889 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 04:49:10,890 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 04:49:10,897 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 04:49:10,908 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 04:49:10,912 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 04:49:10,926 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 04:49:10,928 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 04:49:10,930 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 04:49:10,931 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 04:49:10,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 04:49:10,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 04:49:10,940 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 04:49:10,942 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 04:49:10,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-05 04:49:10,989 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 04:49:10,989 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 04:49:11,012 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 04:49:11,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 04:49:11,049 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 04:49:11,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 04:49:11,138 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 04:49:11,150 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 04:49:11,158 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 04:49:11,160 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 04:49:11,163 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 04:49:11,165 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 04:49:11,167 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 04:49:11,167 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 04:49:11,167 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 04:49:11,168 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 04:49:11,170 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 04:49:11,170 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 04:49:11,171 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 04:49:11,172 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 04:49:11,172 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 04:49:11,172 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 04:49:11,173 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 04:49:11,173 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 04:49:11,175 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 04:49:11,176 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 04:49:11,177 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 04:49:11,178 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 04:49:11,182 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 04:49:11,183 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 04:49:11,183 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 04:49:11,184 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 04:49:11,185 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 04:49:11,188 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 04:49:11,189 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 04:49:11,192 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 04:49:11,193 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 04:49:11,194 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 04:49:11,196 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 04:49:11,197 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 04:49:11,198 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 04:49:11,198 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 04:49:11,199 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 04:49:11,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-05 04:49:11,207 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 04:49:11,207 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 04:49:11,210 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 04:49:11,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 04:49:11,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 04:49:11,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4831-4837] [2024-11-05 04:49:11,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2024-11-05 04:49:11,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2024-11-05 04:49:11,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "incl %0": "+m" (v->counter)); [4894-4900] [2024-11-05 04:49:11,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "decl %0": "+m" (v->counter)); [4907-4913] [2024-11-05 04:49:11,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2024-11-05 04:49:11,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-05 04:49:11,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 04:49:11,646 INFO L204 MainTranslator]: Completed translation [2024-11-05 04:49:11,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11 WrapperNode [2024-11-05 04:49:11,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 04:49:11,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 04:49:11,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 04:49:11,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 04:49:11,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,764 INFO L138 Inliner]: procedures = 144, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1577 [2024-11-05 04:49:11,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 04:49:11,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 04:49:11,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 04:49:11,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 04:49:11,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,914 INFO L175 MemorySlicer]: Split 342 memory accesses to 8 slices as follows [2, 42, 8, 10, 3, 8, 261, 8]. 76 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 0, 8, 0, 0, 8, 8, 8]. The 214 writes are split as follows [0, 42, 0, 0, 0, 0, 172, 0]. [2024-11-05 04:49:11,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:11,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 04:49:11,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 04:49:12,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 04:49:12,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 04:49:12,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (1/1) ... [2024-11-05 04:49:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 04:49:12,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 04:49:12,022 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 04:49:12,023 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 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-05 04:49:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 04:49:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2024-11-05 04:49:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-05 04:49:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 04:49:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 04:49:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-05 04:49:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-05 04:49:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-05 04:49:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-05 04:49:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-05 04:49:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 04:49:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 04:49:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2024-11-05 04:49:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2024-11-05 04:49:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-05 04:49:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-05 04:49:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-05 04:49:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-05 04:49:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-05 04:49:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-05 04:49:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-05 04:49:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-05 04:49:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 04:49:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 04:49:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-05 04:49:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-05 04:49:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-05 04:49:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-05 04:49:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-05 04:49:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-05 04:49:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 04:49:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-05 04:49:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-05 04:49:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-05 04:49:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-05 04:49:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-05 04:49:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 04:49:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-05 04:49:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-05 04:49:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-05 04:49:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 04:49:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-05 04:49:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-05 04:49:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 04:49:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 04:49:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-05 04:49:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-05 04:49:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-05 04:49:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-05 04:49:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-05 04:49:12,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-05 04:49:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-05 04:49:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-05 04:49:12,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 04:49:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 04:49:12,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 04:49:12,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 04:49:13,832 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-05 04:49:18,435 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-05 04:49:37,031 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2024-11-05 04:49:37,031 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2024-11-05 04:49:37,195 INFO L? ?]: Removed 599 outVars from TransFormulas that were not future-live. [2024-11-05 04:49:37,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 04:49:37,217 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 04:49:37,218 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-05 04:49:37,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:49:37 BoogieIcfgContainer [2024-11-05 04:49:37,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 04:49:37,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 04:49:37,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 04:49:37,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 04:49:37,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 04:49:10" (1/3) ... [2024-11-05 04:49:37,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efd5167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:49:37, skipping insertion in model container [2024-11-05 04:49:37,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:49:11" (2/3) ... [2024-11-05 04:49:37,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3efd5167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:49:37, skipping insertion in model container [2024-11-05 04:49:37,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:49:37" (3/3) ... [2024-11-05 04:49:37,225 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-05 04:49:37,236 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 04:49:37,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 04:49:37,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 04:49:37,304 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;@b70687b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 04:49:37,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 04:49:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-05 04:49:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-05 04:49:37,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:49:37,318 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:49:37,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:49:37,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:49:37,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1986823710, now seen corresponding path program 1 times [2024-11-05 04:49:37,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:49:37,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312316910] [2024-11-05 04:49:37,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:49:37,330 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 04:49:37,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:49:37,333 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 04:49:37,338 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 04:49:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:49:41,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 04:49:41,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:49:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:49:41,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:49:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:49:42,561 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:49:42,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312316910] [2024-11-05 04:49:42,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [312316910] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:49:42,562 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:49:42,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-05 04:49:42,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056237044] [2024-11-05 04:49:42,564 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:49:42,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 04:49:42,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:49:42,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 04:49:42,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 04:49:42,588 INFO L87 Difference]: Start difference. First operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-05 04:49:43,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:49:43,008 INFO L93 Difference]: Finished difference Result 948 states and 1320 transitions. [2024-11-05 04:49:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 04:49:43,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-05 04:49:43,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:49:43,022 INFO L225 Difference]: With dead ends: 948 [2024-11-05 04:49:43,023 INFO L226 Difference]: Without dead ends: 475 [2024-11-05 04:49:43,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 04:49:43,035 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 0 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 04:49:43,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2489 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 04:49:43,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-05 04:49:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2024-11-05 04:49:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 327 states have (on average 1.235474006116208) internal successors, (404), 335 states have internal predecessors, (404), 110 states have call successors, (110), 37 states have call predecessors, (110), 37 states have return successors, (107), 105 states have call predecessors, (107), 106 states have call successors, (107) [2024-11-05 04:49:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 621 transitions. [2024-11-05 04:49:43,091 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 621 transitions. Word has length 21 [2024-11-05 04:49:43,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:49:43,092 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 621 transitions. [2024-11-05 04:49:43,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-05 04:49:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 621 transitions. [2024-11-05 04:49:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-05 04:49:43,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:49:43,093 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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 04:49:43,120 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 04:49:43,294 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 04:49:43,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:49:43,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:49:43,295 INFO L85 PathProgramCache]: Analyzing trace with hash -738402021, now seen corresponding path program 1 times [2024-11-05 04:49:43,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:49:43,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999100695] [2024-11-05 04:49:43,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:49:43,296 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 04:49:43,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:49:43,298 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 04:49:43,299 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 04:49:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:49:47,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 04:49:47,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:49:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 04:49:48,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:49:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 04:49:49,160 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:49:49,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999100695] [2024-11-05 04:49:49,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [999100695] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:49:49,160 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:49:49,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 04:49:49,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470450466] [2024-11-05 04:49:49,160 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:49:49,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 04:49:49,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:49:49,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 04:49:49,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 04:49:49,162 INFO L87 Difference]: Start difference. First operand 475 states and 621 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 04:49:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:49:49,422 INFO L93 Difference]: Finished difference Result 1381 states and 1820 transitions. [2024-11-05 04:49:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 04:49:49,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 26 [2024-11-05 04:49:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:49:49,428 INFO L225 Difference]: With dead ends: 1381 [2024-11-05 04:49:49,428 INFO L226 Difference]: Without dead ends: 926 [2024-11-05 04:49:49,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 04:49:49,430 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 591 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 04:49:49,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1269 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 04:49:49,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-11-05 04:49:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 922. [2024-11-05 04:49:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 636 states have (on average 1.2358490566037736) internal successors, (786), 648 states have internal predecessors, (786), 213 states have call successors, (213), 72 states have call predecessors, (213), 72 states have return successors, (213), 206 states have call predecessors, (213), 209 states have call successors, (213) [2024-11-05 04:49:49,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1212 transitions. [2024-11-05 04:49:49,477 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1212 transitions. Word has length 26 [2024-11-05 04:49:49,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:49:49,477 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1212 transitions. [2024-11-05 04:49:49,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 04:49:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1212 transitions. [2024-11-05 04:49:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-05 04:49:49,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:49:49,478 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:49:49,504 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 04:49:49,682 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 04:49:49,683 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:49:49,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:49:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1415869157, now seen corresponding path program 1 times [2024-11-05 04:49:49,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:49:49,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582128558] [2024-11-05 04:49:49,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:49:49,684 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 04:49:49,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:49:49,689 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 04:49:49,690 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 04:49:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:49:53,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 04:49:53,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:49:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 04:49:54,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:49:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 04:49:55,225 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:49:55,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582128558] [2024-11-05 04:49:55,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [582128558] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:49:55,226 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:49:55,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 04:49:55,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521857460] [2024-11-05 04:49:55,226 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:49:55,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 04:49:55,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:49:55,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 04:49:55,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 04:49:55,227 INFO L87 Difference]: Start difference. First operand 922 states and 1212 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 04:49:55,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:49:55,434 INFO L93 Difference]: Finished difference Result 2723 states and 3595 transitions. [2024-11-05 04:49:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 04:49:55,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 27 [2024-11-05 04:49:55,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:49:55,442 INFO L225 Difference]: With dead ends: 2723 [2024-11-05 04:49:55,442 INFO L226 Difference]: Without dead ends: 1813 [2024-11-05 04:49:55,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 04:49:55,445 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 590 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 04:49:55,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 04:49:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2024-11-05 04:49:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1802. [2024-11-05 04:49:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1243 states have (on average 1.2333065164923571) internal successors, (1533), 1262 states have internal predecessors, (1533), 418 states have call successors, (418), 141 states have call predecessors, (418), 140 states have return successors, (424), 406 states have call predecessors, (424), 414 states have call successors, (424) [2024-11-05 04:49:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2375 transitions. [2024-11-05 04:49:55,507 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2375 transitions. Word has length 27 [2024-11-05 04:49:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:49:55,508 INFO L471 AbstractCegarLoop]: Abstraction has 1802 states and 2375 transitions. [2024-11-05 04:49:55,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-05 04:49:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2375 transitions. [2024-11-05 04:49:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-05 04:49:55,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:49:55,511 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:49:55,537 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 04:49:55,711 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 04:49:55,711 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:49:55,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:49:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash -440434169, now seen corresponding path program 1 times [2024-11-05 04:49:55,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:49:55,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110686160] [2024-11-05 04:49:55,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:49:55,712 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 04:49:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:49:55,713 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 04:49:55,714 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 04:49:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:49:59,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 04:49:59,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:49:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 04:49:59,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:50:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 04:50:01,515 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:50:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110686160] [2024-11-05 04:50:01,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2110686160] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:50:01,515 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:50:01,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 04:50:01,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941376456] [2024-11-05 04:50:01,515 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:50:01,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 04:50:01,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:50:01,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 04:50:01,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 04:50:01,516 INFO L87 Difference]: Start difference. First operand 1802 states and 2375 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 04:50:03,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:50:03,778 INFO L93 Difference]: Finished difference Result 5212 states and 7293 transitions. [2024-11-05 04:50:03,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 04:50:03,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 76 [2024-11-05 04:50:03,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:50:03,800 INFO L225 Difference]: With dead ends: 5212 [2024-11-05 04:50:03,800 INFO L226 Difference]: Without dead ends: 3425 [2024-11-05 04:50:03,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 04:50:03,809 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 403 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-05 04:50:03,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1859 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-05 04:50:03,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2024-11-05 04:50:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3401. [2024-11-05 04:50:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 2338 states have (on average 1.292557741659538) internal successors, (3022), 2389 states have internal predecessors, (3022), 922 states have call successors, (922), 141 states have call predecessors, (922), 140 states have return successors, (944), 894 states have call predecessors, (944), 918 states have call successors, (944) [2024-11-05 04:50:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 4888 transitions. [2024-11-05 04:50:03,953 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 4888 transitions. Word has length 76 [2024-11-05 04:50:03,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:50:03,953 INFO L471 AbstractCegarLoop]: Abstraction has 3401 states and 4888 transitions. [2024-11-05 04:50:03,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 04:50:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 4888 transitions. [2024-11-05 04:50:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-05 04:50:03,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:50:03,960 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:50:03,997 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 (5)] Forceful destruction successful, exit code 0 [2024-11-05 04:50:04,161 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 04:50:04,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:50:04,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:50:04,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1281989802, now seen corresponding path program 1 times [2024-11-05 04:50:04,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:50:04,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776253238] [2024-11-05 04:50:04,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:50:04,162 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 04:50:04,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:50:04,165 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 04:50:04,167 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 04:50:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:50:08,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 04:50:08,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:50:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:08,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:50:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:10,439 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:50:10,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776253238] [2024-11-05 04:50:10,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [776253238] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:50:10,439 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:50:10,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 04:50:10,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157547974] [2024-11-05 04:50:10,440 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:50:10,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 04:50:10,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:50:10,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 04:50:10,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 04:50:10,441 INFO L87 Difference]: Start difference. First operand 3401 states and 4888 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-05 04:50:11,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:50:11,022 INFO L93 Difference]: Finished difference Result 6810 states and 9793 transitions. [2024-11-05 04:50:11,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 04:50:11,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2024-11-05 04:50:11,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:50:11,038 INFO L225 Difference]: With dead ends: 6810 [2024-11-05 04:50:11,038 INFO L226 Difference]: Without dead ends: 3425 [2024-11-05 04:50:11,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 04:50:11,047 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 04:50:11,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 04:50:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2024-11-05 04:50:11,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3425. [2024-11-05 04:50:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3425 states, 2362 states have (on average 1.2895850973751057) internal successors, (3046), 2413 states have internal predecessors, (3046), 922 states have call successors, (922), 141 states have call predecessors, (922), 140 states have return successors, (944), 894 states have call predecessors, (944), 918 states have call successors, (944) [2024-11-05 04:50:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4912 transitions. [2024-11-05 04:50:11,173 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4912 transitions. Word has length 78 [2024-11-05 04:50:11,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:50:11,173 INFO L471 AbstractCegarLoop]: Abstraction has 3425 states and 4912 transitions. [2024-11-05 04:50:11,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-05 04:50:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4912 transitions. [2024-11-05 04:50:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-05 04:50:11,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:50:11,176 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:50:11,215 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 04:50:11,377 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 04:50:11,377 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:50:11,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:50:11,378 INFO L85 PathProgramCache]: Analyzing trace with hash -21628062, now seen corresponding path program 1 times [2024-11-05 04:50:11,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:50:11,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823977900] [2024-11-05 04:50:11,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:50:11,378 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 04:50:11,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:50:11,379 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 04:50:11,380 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 04:50:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:50:15,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-05 04:50:15,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:50:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:17,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:50:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:21,584 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:50:21,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823977900] [2024-11-05 04:50:21,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [823977900] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:50:21,584 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:50:21,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2024-11-05 04:50:21,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821052992] [2024-11-05 04:50:21,585 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:50:21,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 04:50:21,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:50:21,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 04:50:21,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-05 04:50:21,589 INFO L87 Difference]: Start difference. First operand 3425 states and 4912 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 04:50:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:50:22,182 INFO L93 Difference]: Finished difference Result 5167 states and 7443 transitions. [2024-11-05 04:50:22,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 04:50:22,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-11-05 04:50:22,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:50:22,200 INFO L225 Difference]: With dead ends: 5167 [2024-11-05 04:50:22,200 INFO L226 Difference]: Without dead ends: 3453 [2024-11-05 04:50:22,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-05 04:50:22,208 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3680 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-05 04:50:22,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3680 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-05 04:50:22,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2024-11-05 04:50:22,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3453. [2024-11-05 04:50:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3453 states, 2382 states have (on average 1.2871536523929472) internal successors, (3066), 2433 states have internal predecessors, (3066), 922 states have call successors, (922), 141 states have call predecessors, (922), 148 states have return successors, (968), 902 states have call predecessors, (968), 918 states have call successors, (968) [2024-11-05 04:50:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 4956 transitions. [2024-11-05 04:50:22,326 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 4956 transitions. Word has length 79 [2024-11-05 04:50:22,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:50:22,327 INFO L471 AbstractCegarLoop]: Abstraction has 3453 states and 4956 transitions. [2024-11-05 04:50:22,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 04:50:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 4956 transitions. [2024-11-05 04:50:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-05 04:50:22,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:50:22,331 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:50:22,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-05 04:50:22,531 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 04:50:22,532 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:50:22,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:50:22,532 INFO L85 PathProgramCache]: Analyzing trace with hash 308137699, now seen corresponding path program 1 times [2024-11-05 04:50:22,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:50:22,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313849681] [2024-11-05 04:50:22,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:50:22,533 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 04:50:22,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:50:22,534 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 04:50:22,535 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 04:50:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:50:26,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-05 04:50:26,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:50:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:28,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:50:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:31,832 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:50:31,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313849681] [2024-11-05 04:50:31,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [313849681] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:50:31,833 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:50:31,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2024-11-05 04:50:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140295348] [2024-11-05 04:50:31,833 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:50:31,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 04:50:31,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:50:31,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 04:50:31,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-05 04:50:31,834 INFO L87 Difference]: Start difference. First operand 3453 states and 4956 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 04:50:34,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:50:34,122 INFO L93 Difference]: Finished difference Result 7242 states and 10474 transitions. [2024-11-05 04:50:34,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 04:50:34,124 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-11-05 04:50:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:50:34,143 INFO L225 Difference]: With dead ends: 7242 [2024-11-05 04:50:34,143 INFO L226 Difference]: Without dead ends: 3805 [2024-11-05 04:50:34,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-05 04:50:34,152 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 49 mSDsluCounter, 5544 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 6248 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-05 04:50:34,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 6248 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-05 04:50:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3805 states. [2024-11-05 04:50:34,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3805 to 3465. [2024-11-05 04:50:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 2392 states have (on average 1.2842809364548495) internal successors, (3072), 2441 states have internal predecessors, (3072), 922 states have call successors, (922), 141 states have call predecessors, (922), 150 states have return successors, (982), 906 states have call predecessors, (982), 918 states have call successors, (982) [2024-11-05 04:50:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4976 transitions. [2024-11-05 04:50:34,267 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4976 transitions. Word has length 79 [2024-11-05 04:50:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:50:34,267 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4976 transitions. [2024-11-05 04:50:34,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-05 04:50:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4976 transitions. [2024-11-05 04:50:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-05 04:50:34,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:50:34,271 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:50:34,302 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 04:50:34,471 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 04:50:34,472 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:50:34,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:50:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash 321567651, now seen corresponding path program 1 times [2024-11-05 04:50:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:50:34,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244475656] [2024-11-05 04:50:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:50:34,472 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 04:50:34,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:50:34,475 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 04:50:34,477 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 04:50:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:50:38,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 04:50:38,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 04:50:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 04:50:39,332 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 04:50:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-05 04:50:41,537 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 04:50:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244475656] [2024-11-05 04:50:41,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [244475656] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 04:50:41,537 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 04:50:41,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-05 04:50:41,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912751789] [2024-11-05 04:50:41,537 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 04:50:41,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 04:50:41,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 04:50:41,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 04:50:41,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 04:50:41,538 INFO L87 Difference]: Start difference. First operand 3465 states and 4976 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-05 04:50:42,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 04:50:42,008 INFO L93 Difference]: Finished difference Result 6566 states and 9398 transitions. [2024-11-05 04:50:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 04:50:42,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2024-11-05 04:50:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 04:50:42,023 INFO L225 Difference]: With dead ends: 6566 [2024-11-05 04:50:42,023 INFO L226 Difference]: Without dead ends: 3117 [2024-11-05 04:50:42,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 04:50:42,032 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2446 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 04:50:42,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2446 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 04:50:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2024-11-05 04:50:42,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 3117. [2024-11-05 04:50:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 2160 states have (on average 1.275925925925926) internal successors, (2756), 2185 states have internal predecessors, (2756), 808 states have call successors, (808), 139 states have call predecessors, (808), 148 states have return successors, (865), 804 states have call predecessors, (865), 804 states have call successors, (865) [2024-11-05 04:50:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4429 transitions. [2024-11-05 04:50:42,129 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4429 transitions. Word has length 85 [2024-11-05 04:50:42,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 04:50:42,129 INFO L471 AbstractCegarLoop]: Abstraction has 3117 states and 4429 transitions. [2024-11-05 04:50:42,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-05 04:50:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4429 transitions. [2024-11-05 04:50:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-05 04:50:42,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 04:50:42,131 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 04:50:42,164 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 04:50:42,331 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 04:50:42,332 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 04:50:42,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 04:50:42,332 INFO L85 PathProgramCache]: Analyzing trace with hash -394586686, now seen corresponding path program 1 times [2024-11-05 04:50:42,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 04:50:42,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958289810] [2024-11-05 04:50:42,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 04:50:42,333 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 04:50:42,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 04:50:42,335 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 04:50:42,336 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 04:50:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 04:50:46,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 04:50:46,310 INFO L278 TraceCheckSpWp]: Computing forward predicates...