/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 19:15:25,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:15:26,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 19:15:26,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:15:26,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:15:26,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:15:26,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:15:26,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:15:26,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:15:26,062 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:15:26,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:15:26,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:15:26,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:15:26,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:15:26,063 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:15:26,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:15:26,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:15:26,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:15:26,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:15:26,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:15:26,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:15:26,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:15:26,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:15:26,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:15:26,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:15:26,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:15:26,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:15:26,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:15:26,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:15:26,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:15:26,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:15:26,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:15:26,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:15:26,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:15:26,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:15:26,067 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:15:26,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:15:26,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:15:26,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:15:26,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:15:26,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:15:26,069 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:15:26,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:15:26,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:15:26,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:15:26,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:15:26,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:15:26,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:15:26,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 19:15:27,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:15:27,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:15:27,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 19:15:27,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b4ac14/0567aee63d024489968217d52c56914a/FLAGb0b83c953 [2024-11-01 19:15:28,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7b4ac14/0567aee63d024489968217d52c56914a [2024-11-01 19:15:28,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:15:28,089 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:15:28,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:15:28,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:15:28,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:15:28,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:15:28" (1/1) ... [2024-11-01 19:15:28,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4918e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:28, skipping insertion in model container [2024-11-01 19:15:28,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:15:28" (1/1) ... [2024-11-01 19:15:28,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:15:28,791 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-01 19:15:28,820 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,881 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,921 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,932 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,938 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,939 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,940 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,956 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,957 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,957 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,957 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,958 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,965 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,967 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,976 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,977 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,977 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,985 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,986 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,988 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,989 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,989 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,990 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,991 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,992 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,993 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,993 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,995 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:28,996 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,017 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,018 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,018 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,020 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,020 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,021 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,021 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,021 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,022 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,072 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:15:29,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:15:29,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:15:29,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5500-5501] [2024-11-01 19:15:29,269 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-11-01 19:15:29,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:15:29,478 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:15:29,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29 WrapperNode [2024-11-01 19:15:29,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:15:29,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:15:29,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:15:29,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:15:29,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,595 INFO L138 Inliner]: procedures = 170, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1601 [2024-11-01 19:15:29,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:15:29,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:15:29,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:15:29,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:15:29,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,803 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [3, 2, 26, 44, 17, 158, 6]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [0, 2, 26, 0, 0, 0, 6]. The 114 writes are split as follows [2, 0, 0, 44, 17, 51, 0]. [2024-11-01 19:15:29,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:15:29,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:15:29,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:15:29,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:15:29,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (1/1) ... [2024-11-01 19:15:29,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:15:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:15:29,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 19:15:29,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 19:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-11-01 19:15:29,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-11-01 19:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-11-01 19:15:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-11-01 19:15:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-01 19:15:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-01 19:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-01 19:15:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-11-01 19:15:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 19:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 19:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 19:15:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 19:15:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-11-01 19:15:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-11-01 19:15:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-01 19:15:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-11-01 19:15:29,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-01 19:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-01 19:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-01 19:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-01 19:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-01 19:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-01 19:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 19:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-01 19:15:29,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 19:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:15:29,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 19:15:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 19:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-11-01 19:15:29,952 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-11-01 19:15:29,953 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-11-01 19:15:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-11-01 19:15:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-01 19:15:29,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 19:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-11-01 19:15:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 19:15:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 19:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-01 19:15:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-01 19:15:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-01 19:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-01 19:15:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-11-01 19:15:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-11-01 19:15:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-01 19:15:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-11-01 19:15:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-01 19:15:29,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 19:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-11-01 19:15:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 19:15:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 19:15:29,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-11-01 19:15:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 19:15:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 19:15:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-01 19:15:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-01 19:15:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-11-01 19:15:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-11-01 19:15:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-01 19:15:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 19:15:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 19:15:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 19:15:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 19:15:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-11-01 19:15:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-11-01 19:15:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:15:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:15:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-11-01 19:15:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-11-01 19:15:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-11-01 19:15:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-11-01 19:15:30,314 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:15:30,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:15:30,402 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 19:15:31,550 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-01 19:15:43,644 INFO L? ?]: Removed 870 outVars from TransFormulas that were not future-live. [2024-11-01 19:15:43,644 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:15:43,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:15:43,674 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 19:15:43,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:15:43 BoogieIcfgContainer [2024-11-01 19:15:43,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:15:43,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:15:43,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:15:43,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:15:43,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:15:28" (1/3) ... [2024-11-01 19:15:43,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ff489b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:15:43, skipping insertion in model container [2024-11-01 19:15:43,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:15:29" (2/3) ... [2024-11-01 19:15:43,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ff489b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:15:43, skipping insertion in model container [2024-11-01 19:15:43,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:15:43" (3/3) ... [2024-11-01 19:15:43,681 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-11-01 19:15:43,695 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:15:43,696 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:15:43,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:15:43,787 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;@6682793e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:15:43,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:15:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 800 states, 543 states have (on average 1.3388581952117864) internal successors, (727), 569 states have internal predecessors, (727), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-01 19:15:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-01 19:15:43,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:43,812 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:43,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:43,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:43,818 INFO L85 PathProgramCache]: Analyzing trace with hash 37679183, now seen corresponding path program 1 times [2024-11-01 19:15:43,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:43,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524458382] [2024-11-01 19:15:43,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:43,828 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:43,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:43,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:15:43,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:15:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:44,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 19:15:44,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 19:15:44,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 19:15:45,483 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:45,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524458382] [2024-11-01 19:15:45,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1524458382] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:45,484 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:45,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 19:15:45,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997258993] [2024-11-01 19:15:45,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:45,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:15:45,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:45,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:15:45,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:15:45,508 INFO L87 Difference]: Start difference. First operand has 800 states, 543 states have (on average 1.3388581952117864) internal successors, (727), 569 states have internal predecessors, (727), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 19:15:45,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:45,780 INFO L93 Difference]: Finished difference Result 1597 states and 2270 transitions. [2024-11-01 19:15:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:15:45,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-01 19:15:45,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:45,799 INFO L225 Difference]: With dead ends: 1597 [2024-11-01 19:15:45,799 INFO L226 Difference]: Without dead ends: 788 [2024-11-01 19:15:45,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:15:45,813 INFO L432 NwaCegarLoop]: 1112 mSDtfsCounter, 0 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3330 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 [2024-11-01 19:15:45,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3330 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 19:15:45,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-01 19:15:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2024-11-01 19:15:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 539 states have (on average 1.3246753246753247) internal successors, (714), 557 states have internal predecessors, (714), 194 states have call successors, (194), 55 states have call predecessors, (194), 54 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-01 19:15:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1097 transitions. [2024-11-01 19:15:45,899 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1097 transitions. Word has length 56 [2024-11-01 19:15:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:45,900 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1097 transitions. [2024-11-01 19:15:45,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 19:15:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1097 transitions. [2024-11-01 19:15:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-01 19:15:45,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:45,904 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-01 19:15:45,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:15:46,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:46,105 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:46,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:46,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1537788559, now seen corresponding path program 1 times [2024-11-01 19:15:46,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:46,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353812072] [2024-11-01 19:15:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:46,106 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:46,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:46,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:15:46,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:15:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:46,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 19:15:46,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 19:15:47,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-01 19:15:48,742 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:48,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353812072] [2024-11-01 19:15:48,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1353812072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:15:48,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:15:48,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-01 19:15:48,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740281843] [2024-11-01 19:15:48,743 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:15:48,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 19:15:48,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:48,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 19:15:48,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-01 19:15:48,745 INFO L87 Difference]: Start difference. First operand 788 states and 1097 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 19:15:49,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:49,428 INFO L93 Difference]: Finished difference Result 1562 states and 2176 transitions. [2024-11-01 19:15:49,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 19:15:49,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2024-11-01 19:15:49,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:49,436 INFO L225 Difference]: With dead ends: 1562 [2024-11-01 19:15:49,436 INFO L226 Difference]: Without dead ends: 790 [2024-11-01 19:15:49,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-01 19:15:49,440 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 0 mSDsluCounter, 6546 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7640 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:49,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7640 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 19:15:49,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-01 19:15:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-01 19:15:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 541 states have (on average 1.323475046210721) internal successors, (716), 559 states have internal predecessors, (716), 194 states have call successors, (194), 55 states have call predecessors, (194), 54 states have return successors, (189), 184 states have call predecessors, (189), 189 states have call successors, (189) [2024-11-01 19:15:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1099 transitions. [2024-11-01 19:15:49,479 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1099 transitions. Word has length 58 [2024-11-01 19:15:49,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:49,480 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1099 transitions. [2024-11-01 19:15:49,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 19:15:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1099 transitions. [2024-11-01 19:15:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-01 19:15:49,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:49,483 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:49,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-01 19:15:49,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:49,685 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:49,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:49,686 INFO L85 PathProgramCache]: Analyzing trace with hash 33887439, now seen corresponding path program 2 times [2024-11-01 19:15:49,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:49,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392400756] [2024-11-01 19:15:49,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:49,686 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:49,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:49,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:15:49,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 19:15:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:50,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:15:50,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:15:50,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:15:51,460 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:51,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392400756] [2024-11-01 19:15:51,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1392400756] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:51,460 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:51,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 19:15:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609068290] [2024-11-01 19:15:51,460 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:51,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:15:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:15:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:15:51,461 INFO L87 Difference]: Start difference. First operand 790 states and 1099 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 19:15:55,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:16:04,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:04,536 INFO L93 Difference]: Finished difference Result 3005 states and 4191 transitions. [2024-11-01 19:16:04,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:16:04,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 60 [2024-11-01 19:16:04,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:04,548 INFO L225 Difference]: With dead ends: 3005 [2024-11-01 19:16:04,548 INFO L226 Difference]: Without dead ends: 2234 [2024-11-01 19:16:04,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:16:04,551 INFO L432 NwaCegarLoop]: 1103 mSDtfsCounter, 2063 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:04,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 3805 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2024-11-01 19:16:04,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2024-11-01 19:16:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 2234. [2024-11-01 19:16:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2234 states, 1526 states have (on average 1.327653997378768) internal successors, (2026), 1570 states have internal predecessors, (2026), 546 states have call successors, (546), 162 states have call predecessors, (546), 161 states have return successors, (541), 526 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-01 19:16:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 3113 transitions. [2024-11-01 19:16:04,640 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 3113 transitions. Word has length 60 [2024-11-01 19:16:04,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:04,641 INFO L471 AbstractCegarLoop]: Abstraction has 2234 states and 3113 transitions. [2024-11-01 19:16:04,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 19:16:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 3113 transitions. [2024-11-01 19:16:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-01 19:16:04,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:04,643 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:04,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-01 19:16:04,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:04,844 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:04,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:04,844 INFO L85 PathProgramCache]: Analyzing trace with hash -797739481, now seen corresponding path program 1 times [2024-11-01 19:16:04,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:04,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525348351] [2024-11-01 19:16:04,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:04,845 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:04,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:04,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-01 19:16:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:05,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 19:16:05,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:10,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:13,141 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:13,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525348351] [2024-11-01 19:16:13,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [525348351] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:13,141 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:13,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 19:16:13,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6753641] [2024-11-01 19:16:13,141 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:13,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:16:13,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:13,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:16:13,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:16:13,142 INFO L87 Difference]: Start difference. First operand 2234 states and 3113 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 19:16:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:14,444 INFO L93 Difference]: Finished difference Result 6651 states and 9411 transitions. [2024-11-01 19:16:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:16:14,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2024-11-01 19:16:14,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:14,464 INFO L225 Difference]: With dead ends: 6651 [2024-11-01 19:16:14,464 INFO L226 Difference]: Without dead ends: 4443 [2024-11-01 19:16:14,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:16:14,472 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 1748 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:14,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 2211 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-01 19:16:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2024-11-01 19:16:14,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4431. [2024-11-01 19:16:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4431 states, 3028 states have (on average 1.3272787318361956) internal successors, (4019), 3112 states have internal predecessors, (4019), 1081 states have call successors, (1081), 322 states have call predecessors, (1081), 321 states have return successors, (1130), 1046 states have call predecessors, (1130), 1076 states have call successors, (1130) [2024-11-01 19:16:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 4431 states and 6230 transitions. [2024-11-01 19:16:14,628 INFO L78 Accepts]: Start accepts. Automaton has 4431 states and 6230 transitions. Word has length 63 [2024-11-01 19:16:14,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:14,628 INFO L471 AbstractCegarLoop]: Abstraction has 4431 states and 6230 transitions. [2024-11-01 19:16:14,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 19:16:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4431 states and 6230 transitions. [2024-11-01 19:16:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-01 19:16:14,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:14,630 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:14,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-01 19:16:14,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:14,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:14,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:14,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1039415873, now seen corresponding path program 1 times [2024-11-01 19:16:14,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:14,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042381998] [2024-11-01 19:16:14,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:14,835 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:14,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:14,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:14,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-01 19:16:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:15,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 19:16:15,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:20,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:23,245 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:23,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042381998] [2024-11-01 19:16:23,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2042381998] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:23,245 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:23,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-01 19:16:23,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844013539] [2024-11-01 19:16:23,245 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:23,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:16:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:23,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:16:23,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:16:23,246 INFO L87 Difference]: Start difference. First operand 4431 states and 6230 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 19:16:33,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:33,401 INFO L93 Difference]: Finished difference Result 17596 states and 25174 transitions. [2024-11-01 19:16:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:16:33,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2024-11-01 19:16:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:33,497 INFO L225 Difference]: With dead ends: 17596 [2024-11-01 19:16:33,497 INFO L226 Difference]: Without dead ends: 13191 [2024-11-01 19:16:33,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:16:33,512 INFO L432 NwaCegarLoop]: 1206 mSDtfsCounter, 2768 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:33,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 2946 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-01 19:16:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13191 states. [2024-11-01 19:16:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13191 to 13148. [2024-11-01 19:16:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13148 states, 8975 states have (on average 1.3237883008356546) internal successors, (11881), 9219 states have internal predecessors, (11881), 3213 states have call successors, (3213), 960 states have call predecessors, (3213), 959 states have return successors, (3490), 3118 states have call predecessors, (3490), 3208 states have call successors, (3490) [2024-11-01 19:16:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13148 states to 13148 states and 18584 transitions. [2024-11-01 19:16:34,158 INFO L78 Accepts]: Start accepts. Automaton has 13148 states and 18584 transitions. Word has length 64 [2024-11-01 19:16:34,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:34,159 INFO L471 AbstractCegarLoop]: Abstraction has 13148 states and 18584 transitions. [2024-11-01 19:16:34,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 19:16:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 13148 states and 18584 transitions. [2024-11-01 19:16:34,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-01 19:16:34,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:34,161 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:34,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-01 19:16:34,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:34,362 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:34,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:34,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2138305430, now seen corresponding path program 1 times [2024-11-01 19:16:34,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:34,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817847709] [2024-11-01 19:16:34,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:34,363 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:34,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:34,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:34,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-01 19:16:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:34,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:16:34,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:37,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:39,605 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:39,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817847709] [2024-11-01 19:16:39,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1817847709] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:39,606 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:39,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 19:16:39,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303900951] [2024-11-01 19:16:39,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:39,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:16:39,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:39,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:16:39,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:39,607 INFO L87 Difference]: Start difference. First operand 13148 states and 18584 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 19:16:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:40,150 INFO L93 Difference]: Finished difference Result 13186 states and 18624 transitions. [2024-11-01 19:16:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:16:40,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 65 [2024-11-01 19:16:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:40,201 INFO L225 Difference]: With dead ends: 13186 [2024-11-01 19:16:40,201 INFO L226 Difference]: Without dead ends: 13183 [2024-11-01 19:16:40,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:40,206 INFO L432 NwaCegarLoop]: 1208 mSDtfsCounter, 1050 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:40,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 2270 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 19:16:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13183 states. [2024-11-01 19:16:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13183 to 13180. [2024-11-01 19:16:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13180 states, 9003 states have (on average 1.3231145173830945) internal successors, (11912), 9247 states have internal predecessors, (11912), 3215 states have call successors, (3215), 962 states have call predecessors, (3215), 961 states have return successors, (3492), 3120 states have call predecessors, (3492), 3210 states have call successors, (3492) [2024-11-01 19:16:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 18619 transitions. [2024-11-01 19:16:40,753 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 18619 transitions. Word has length 65 [2024-11-01 19:16:40,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:40,753 INFO L471 AbstractCegarLoop]: Abstraction has 13180 states and 18619 transitions. [2024-11-01 19:16:40,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 19:16:40,753 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 18619 transitions. [2024-11-01 19:16:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-01 19:16:40,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:40,755 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:40,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-01 19:16:40,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:40,958 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:40,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:40,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1863413148, now seen corresponding path program 1 times [2024-11-01 19:16:40,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:40,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470409199] [2024-11-01 19:16:40,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:40,958 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:40,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:40,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:40,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-01 19:16:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:41,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:16:41,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:44,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:46,242 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:46,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470409199] [2024-11-01 19:16:46,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1470409199] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:46,242 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:46,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 19:16:46,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462573593] [2024-11-01 19:16:46,242 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:46,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:16:46,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:16:46,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:46,243 INFO L87 Difference]: Start difference. First operand 13180 states and 18619 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 19:16:46,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:46,726 INFO L93 Difference]: Finished difference Result 13182 states and 18620 transitions. [2024-11-01 19:16:46,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:16:46,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 66 [2024-11-01 19:16:46,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:46,772 INFO L225 Difference]: With dead ends: 13182 [2024-11-01 19:16:46,772 INFO L226 Difference]: Without dead ends: 13179 [2024-11-01 19:16:46,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:46,777 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 1045 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:46,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 1092 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 19:16:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13179 states. [2024-11-01 19:16:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13179 to 13179. [2024-11-01 19:16:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13179 states, 9003 states have (on average 1.3230034432966788) internal successors, (11911), 9246 states have internal predecessors, (11911), 3214 states have call successors, (3214), 962 states have call predecessors, (3214), 961 states have return successors, (3492), 3120 states have call predecessors, (3492), 3210 states have call successors, (3492) [2024-11-01 19:16:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13179 states to 13179 states and 18617 transitions. [2024-11-01 19:16:47,370 INFO L78 Accepts]: Start accepts. Automaton has 13179 states and 18617 transitions. Word has length 66 [2024-11-01 19:16:47,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:47,370 INFO L471 AbstractCegarLoop]: Abstraction has 13179 states and 18617 transitions. [2024-11-01 19:16:47,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 19:16:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 13179 states and 18617 transitions. [2024-11-01 19:16:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-01 19:16:47,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:47,372 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:47,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-01 19:16:47,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:47,577 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:47,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:47,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1931682131, now seen corresponding path program 1 times [2024-11-01 19:16:47,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:47,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616037642] [2024-11-01 19:16:47,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:47,577 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:47,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:47,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-01 19:16:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:48,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:16:48,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:50,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-01 19:16:53,041 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:53,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616037642] [2024-11-01 19:16:53,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1616037642] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:53,041 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:53,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 19:16:53,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821153501] [2024-11-01 19:16:53,041 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:53,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:16:53,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:53,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:16:53,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:53,042 INFO L87 Difference]: Start difference. First operand 13179 states and 18617 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 19:16:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:53,613 INFO L93 Difference]: Finished difference Result 13181 states and 18618 transitions. [2024-11-01 19:16:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:16:53,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 67 [2024-11-01 19:16:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:53,653 INFO L225 Difference]: With dead ends: 13181 [2024-11-01 19:16:53,653 INFO L226 Difference]: Without dead ends: 13159 [2024-11-01 19:16:53,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:53,658 INFO L432 NwaCegarLoop]: 1091 mSDtfsCounter, 1042 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:53,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 19:16:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13159 states. [2024-11-01 19:16:54,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13159 to 13159. [2024-11-01 19:16:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13159 states, 8986 states have (on average 1.3229468061428888) internal successors, (11888), 9228 states have internal predecessors, (11888), 3212 states have call successors, (3212), 961 states have call predecessors, (3212), 960 states have return successors, (3491), 3119 states have call predecessors, (3491), 3209 states have call successors, (3491) [2024-11-01 19:16:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13159 states to 13159 states and 18591 transitions. [2024-11-01 19:16:54,275 INFO L78 Accepts]: Start accepts. Automaton has 13159 states and 18591 transitions. Word has length 67 [2024-11-01 19:16:54,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:54,275 INFO L471 AbstractCegarLoop]: Abstraction has 13159 states and 18591 transitions. [2024-11-01 19:16:54,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-01 19:16:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 13159 states and 18591 transitions. [2024-11-01 19:16:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-01 19:16:54,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:54,346 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:54,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Forceful destruction successful, exit code 0 [2024-11-01 19:16:54,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:54,547 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:54,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:54,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1317878714, now seen corresponding path program 1 times [2024-11-01 19:16:54,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:54,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496694374] [2024-11-01 19:16:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:54,548 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:54,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:54,549 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:54,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-01 19:16:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:55,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:16:55,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-01 19:16:55,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-01 19:16:57,818 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496694374] [2024-11-01 19:16:57,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1496694374] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:57,818 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:57,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:16:57,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792365543] [2024-11-01 19:16:57,818 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:57,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:16:57,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:57,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:16:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:57,820 INFO L87 Difference]: Start difference. First operand 13159 states and 18591 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-01 19:16:59,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:59,280 INFO L93 Difference]: Finished difference Result 33288 states and 46681 transitions. [2024-11-01 19:16:59,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:16:59,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 187 [2024-11-01 19:16:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:59,354 INFO L225 Difference]: With dead ends: 33288 [2024-11-01 19:16:59,354 INFO L226 Difference]: Without dead ends: 20155 [2024-11-01 19:16:59,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:59,398 INFO L432 NwaCegarLoop]: 1142 mSDtfsCounter, 584 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:59,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2183 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 19:16:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20155 states. [2024-11-01 19:17:00,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20155 to 20101. [2024-11-01 19:17:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20101 states, 13834 states have (on average 1.3327309527251698) internal successors, (18437), 14136 states have internal predecessors, (18437), 4664 states have call successors, (4664), 1603 states have call predecessors, (4664), 1602 states have return successors, (4943), 4571 states have call predecessors, (4943), 4661 states have call successors, (4943) [2024-11-01 19:17:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20101 states to 20101 states and 28044 transitions. [2024-11-01 19:17:00,688 INFO L78 Accepts]: Start accepts. Automaton has 20101 states and 28044 transitions. Word has length 187 [2024-11-01 19:17:00,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:17:00,688 INFO L471 AbstractCegarLoop]: Abstraction has 20101 states and 28044 transitions. [2024-11-01 19:17:00,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-01 19:17:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20101 states and 28044 transitions. [2024-11-01 19:17:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-01 19:17:00,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:17:00,707 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:17:00,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Forceful destruction successful, exit code 0 [2024-11-01 19:17:00,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:17:00,912 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:17:00,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:17:00,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1158237185, now seen corresponding path program 1 times [2024-11-01 19:17:00,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:17:00,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372323155] [2024-11-01 19:17:00,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:17:00,913 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:17:00,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:17:00,915 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:17:00,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-01 19:17:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:17:01,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 19:17:01,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:17:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-01 19:17:02,714 INFO L311 TraceCheckSpWp]: Computing backward predicates...