/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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 19:14:42,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:14:42,841 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 19:14:42,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:14:42,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:14:42,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:14:42,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:14:42,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:14:42,871 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:14:42,872 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:14:42,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:14:42,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:14:42,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:14:42,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:14:42,873 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:14:42,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:14:42,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:14:42,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:14:42,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:14:42,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:14:42,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:14:42,875 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:14:42,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:14:42,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:14:42,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:14:42,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:14:42,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:14:42,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:14:42,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:14:42,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:14:42,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:14:42,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:14:42,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:14:42,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:14:42,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:14:42,877 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:14:42,878 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:14:42,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:14:42,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:14:42,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:14:42,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:14:42,882 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:14:42,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:14:43,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:14:43,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:14:43,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:14:43,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:14:43,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:14:43,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-01 19:14:44,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:14:44,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:14:44,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-01 19:14:45,015 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8253d295d/956c8a09375c461e9cb075eeefd5e587/FLAGb3796875b [2024-11-01 19:14:45,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8253d295d/956c8a09375c461e9cb075eeefd5e587 [2024-11-01 19:14:45,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:14:45,035 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:14:45,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:14:45,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:14:45,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:14:45,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:14:45" (1/1) ... [2024-11-01 19:14:45,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63538d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:45, skipping insertion in model container [2024-11-01 19:14:45,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:14:45" (1/1) ... [2024-11-01 19:14:45,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:14:45,942 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 19:14:45,943 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 19:14:45,944 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 19:14:45,946 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 19:14:46,182 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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-01 19:14:46,268 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 19:14:46,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:14:46,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:14:46,579 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-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-01 19:14:46,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:14:46,729 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:14:46,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46 WrapperNode [2024-11-01 19:14:46,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:14:46,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:14:46,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:14:46,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:14:46,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:46,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:46,933 INFO L138 Inliner]: procedures = 186, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3128 [2024-11-01 19:14:46,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:14:46,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:14:46,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:14:46,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:14:46,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:46,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:46,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,026 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 46, 5, 5, 3, 4, 1025, 5, 1, 1020, 15, 15, 2]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 0, 5, 5, 3, 4, 1020, 0, 0, 1020, 0, 0, 0]. The 45 writes are split as follows [0, 8, 0, 0, 0, 0, 2, 3, 1, 0, 15, 15, 1]. [2024-11-01 19:14:47,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:14:47,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:14:47,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:14:47,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:14:47,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (1/1) ... [2024-11-01 19:14:47,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:14:47,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:14:47,305 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 19:14:47,312 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 19:14:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-11-01 19:14:47,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-11-01 19:14:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 19:14:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 19:14:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 19:14:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 19:14:47,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 19:14:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 19:14:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 19:14:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 19:14:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 19:14:47,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-11-01 19:14:47,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 19:14:47,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:14:47,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-01 19:14:47,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-11-01 19:14:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-11-01 19:14:47,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-11-01 19:14:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-01 19:14:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:14:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 19:14:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#11 [2024-11-01 19:14:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#12 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 19:14:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#11 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#12 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 19:14:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 19:14:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-01 19:14:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-01 19:14:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#11 [2024-11-01 19:14:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#12 [2024-11-01 19:14:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-01 19:14:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-01 19:14:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-11-01 19:14:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-11-01 19:14:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-01 19:14:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-11-01 19:14:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 19:14:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 19:14:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#11 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#12 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 19:14:47,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#11 [2024-11-01 19:14:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#12 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#11 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#12 [2024-11-01 19:14:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-11-01 19:14:47,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-01 19:14:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 19:14:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 19:14:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-01 19:14:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-01 19:14:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-01 19:14:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-01 19:14:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-01 19:14:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-01 19:14:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-01 19:14:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-01 19:14:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-01 19:14:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-01 19:14:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-11-01 19:14:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-01 19:14:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#11 [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#12 [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-01 19:14:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-11-01 19:14:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-01 19:14:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-11-01 19:14:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-11-01 19:14:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:14:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:14:47,890 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:14:47,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:15:05,795 INFO L? ?]: Removed 686 outVars from TransFormulas that were not future-live. [2024-11-01 19:15:05,795 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:15:05,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:15:05,816 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 19:15:05,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:15:05 BoogieIcfgContainer [2024-11-01 19:15:05,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:15:05,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:15:05,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:15:05,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:15:05,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:14:45" (1/3) ... [2024-11-01 19:15:05,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3091832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:15:05, skipping insertion in model container [2024-11-01 19:15:05,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:14:46" (2/3) ... [2024-11-01 19:15:05,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3091832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:15:05, skipping insertion in model container [2024-11-01 19:15:05,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:15:05" (3/3) ... [2024-11-01 19:15:05,825 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-01 19:15:05,836 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:15:05,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:15:05,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:15:05,908 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;@45ca840b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:15:05,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:15:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 508 states, 344 states have (on average 1.3837209302325582) internal successors, (476), 360 states have internal predecessors, (476), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-01 19:15:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-01 19:15:05,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:05,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:05,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:05,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:05,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1426004258, now seen corresponding path program 1 times [2024-11-01 19:15:05,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:05,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399830308] [2024-11-01 19:15:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:05,929 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:05,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:05,931 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 19:15:05,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:15:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:06,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:15:06,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:07,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:07,134 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:07,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399830308] [2024-11-01 19:15:07,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [399830308] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:07,134 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:07,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:07,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071828619] [2024-11-01 19:15:07,136 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:07,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:07,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:07,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:07,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:07,160 INFO L87 Difference]: Start difference. First operand has 508 states, 344 states have (on average 1.3837209302325582) internal successors, (476), 360 states have internal predecessors, (476), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:11,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:11,624 INFO L93 Difference]: Finished difference Result 1007 states and 1536 transitions. [2024-11-01 19:15:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:11,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-01 19:15:11,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:11,639 INFO L225 Difference]: With dead ends: 1007 [2024-11-01 19:15:11,639 INFO L226 Difference]: Without dead ends: 499 [2024-11-01 19:15:11,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:11,650 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 714 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:11,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 724 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-01 19:15:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-01 19:15:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 339 states have (on average 1.3805309734513274) internal successors, (468), 352 states have internal predecessors, (468), 130 states have call successors, (130), 31 states have call predecessors, (130), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-01 19:15:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 717 transitions. [2024-11-01 19:15:11,739 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 717 transitions. Word has length 12 [2024-11-01 19:15:11,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:11,743 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 717 transitions. [2024-11-01 19:15:11,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 717 transitions. [2024-11-01 19:15:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-01 19:15:11,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:11,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:11,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:15:11,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:11,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:11,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:11,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1257162550, now seen corresponding path program 1 times [2024-11-01 19:15:11,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:11,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314776103] [2024-11-01 19:15:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:11,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:11,948 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 19:15:11,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:15:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:12,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 2313 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:15:12,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:12,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:13,081 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:13,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314776103] [2024-11-01 19:15:13,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [314776103] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:13,081 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:13,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:13,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842467620] [2024-11-01 19:15:13,082 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:13,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:13,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:13,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:13,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:13,084 INFO L87 Difference]: Start difference. First operand 499 states and 717 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:17,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:17,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:17,383 INFO L93 Difference]: Finished difference Result 501 states and 718 transitions. [2024-11-01 19:15:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:17,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-01 19:15:17,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:17,393 INFO L225 Difference]: With dead ends: 501 [2024-11-01 19:15:17,393 INFO L226 Difference]: Without dead ends: 498 [2024-11-01 19:15:17,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:17,398 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 705 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:17,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 716 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-01 19:15:17,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498. [2024-11-01 19:15:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 339 states have (on average 1.3775811209439528) internal successors, (467), 351 states have internal predecessors, (467), 129 states have call successors, (129), 31 states have call predecessors, (129), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-01 19:15:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 715 transitions. [2024-11-01 19:15:17,432 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 715 transitions. Word has length 13 [2024-11-01 19:15:17,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:17,432 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 715 transitions. [2024-11-01 19:15:17,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 715 transitions. [2024-11-01 19:15:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-01 19:15:17,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:17,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:17,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-01 19:15:17,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:17,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:17,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:17,638 INFO L85 PathProgramCache]: Analyzing trace with hash -318032031, now seen corresponding path program 1 times [2024-11-01 19:15:17,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:17,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483508087] [2024-11-01 19:15:17,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:17,639 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:17,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:17,640 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 19:15:17,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 19:15:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:18,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:15:18,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:18,559 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:18,719 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:18,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483508087] [2024-11-01 19:15:18,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [483508087] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:18,719 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:18,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:18,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422148779] [2024-11-01 19:15:18,719 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:18,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:18,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:18,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:18,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:18,720 INFO L87 Difference]: Start difference. First operand 498 states and 715 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:22,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:23,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:23,089 INFO L93 Difference]: Finished difference Result 1445 states and 2086 transitions. [2024-11-01 19:15:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:23,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-01 19:15:23,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:23,095 INFO L225 Difference]: With dead ends: 1445 [2024-11-01 19:15:23,096 INFO L226 Difference]: Without dead ends: 953 [2024-11-01 19:15:23,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:23,099 INFO L432 NwaCegarLoop]: 1064 mSDtfsCounter, 666 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:23,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 1750 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:23,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-01 19:15:23,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 946. [2024-11-01 19:15:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 650 states have (on average 1.376923076923077) internal successors, (895), 664 states have internal predecessors, (895), 240 states have call successors, (240), 60 states have call predecessors, (240), 55 states have return successors, (230), 226 states have call predecessors, (230), 226 states have call successors, (230) [2024-11-01 19:15:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1365 transitions. [2024-11-01 19:15:23,153 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1365 transitions. Word has length 14 [2024-11-01 19:15:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:23,153 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1365 transitions. [2024-11-01 19:15:23,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1365 transitions. [2024-11-01 19:15:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-01 19:15:23,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:23,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:23,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-01 19:15:23,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:23,355 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:23,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:23,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1269752147, now seen corresponding path program 1 times [2024-11-01 19:15:23,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:23,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132647346] [2024-11-01 19:15:23,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:23,358 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 19:15:23,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-01 19:15:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:24,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:15:24,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:24,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:24,434 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:24,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132647346] [2024-11-01 19:15:24,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1132647346] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:24,434 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:24,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:24,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326580622] [2024-11-01 19:15:24,435 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:24,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:24,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:24,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:24,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:24,435 INFO L87 Difference]: Start difference. First operand 946 states and 1365 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:28,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:28,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:28,739 INFO L93 Difference]: Finished difference Result 1020 states and 1455 transitions. [2024-11-01 19:15:28,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:28,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-01 19:15:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:28,744 INFO L225 Difference]: With dead ends: 1020 [2024-11-01 19:15:28,744 INFO L226 Difference]: Without dead ends: 1016 [2024-11-01 19:15:28,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:28,745 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 653 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:28,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 798 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-01 19:15:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1014. [2024-11-01 19:15:28,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 698 states have (on average 1.3696275071633237) internal successors, (956), 710 states have internal predecessors, (956), 250 states have call successors, (250), 70 states have call predecessors, (250), 65 states have return successors, (242), 238 states have call predecessors, (242), 238 states have call successors, (242) [2024-11-01 19:15:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1448 transitions. [2024-11-01 19:15:28,794 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1448 transitions. Word has length 15 [2024-11-01 19:15:28,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:28,794 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1448 transitions. [2024-11-01 19:15:28,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1448 transitions. [2024-11-01 19:15:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-01 19:15:28,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:28,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:28,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-01 19:15:28,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:28,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:28,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash -708299804, now seen corresponding path program 1 times [2024-11-01 19:15:28,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:28,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490508382] [2024-11-01 19:15:28,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:28,997 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:28,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:28,999 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 19:15:29,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-01 19:15:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:29,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:15:29,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:29,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:30,123 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:30,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490508382] [2024-11-01 19:15:30,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [490508382] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:30,124 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:30,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:30,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889770977] [2024-11-01 19:15:30,124 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:30,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:30,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:30,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:30,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:30,125 INFO L87 Difference]: Start difference. First operand 1014 states and 1448 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:34,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:34,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:34,450 INFO L93 Difference]: Finished difference Result 1190 states and 1669 transitions. [2024-11-01 19:15:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:34,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-01 19:15:34,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:34,456 INFO L225 Difference]: With dead ends: 1190 [2024-11-01 19:15:34,456 INFO L226 Difference]: Without dead ends: 1180 [2024-11-01 19:15:34,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:34,458 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 624 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:34,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 926 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:34,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-11-01 19:15:34,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1177. [2024-11-01 19:15:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 803 states have (on average 1.3499377334993774) internal successors, (1084), 813 states have internal predecessors, (1084), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2024-11-01 19:15:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1653 transitions. [2024-11-01 19:15:34,547 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1653 transitions. Word has length 16 [2024-11-01 19:15:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:34,547 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1653 transitions. [2024-11-01 19:15:34,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 19:15:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1653 transitions. [2024-11-01 19:15:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-01 19:15:34,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:34,552 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 19:15:34,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-01 19:15:34,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:34,753 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:34,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash -261683931, now seen corresponding path program 1 times [2024-11-01 19:15:34,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:34,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568260914] [2024-11-01 19:15:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:34,754 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:34,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:34,755 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 19:15:34,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-01 19:15:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:35,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 2406 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 19:15:35,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:35,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:36,613 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:36,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568260914] [2024-11-01 19:15:36,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1568260914] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:36,614 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:36,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-01 19:15:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023744559] [2024-11-01 19:15:36,614 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:36,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 19:15:36,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:36,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 19:15:36,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:15:36,615 INFO L87 Difference]: Start difference. First operand 1177 states and 1653 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 19:15:37,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:37,074 INFO L93 Difference]: Finished difference Result 2350 states and 3306 transitions. [2024-11-01 19:15:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 19:15:37,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-11-01 19:15:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:37,083 INFO L225 Difference]: With dead ends: 2350 [2024-11-01 19:15:37,083 INFO L226 Difference]: Without dead ends: 1179 [2024-11-01 19:15:37,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:15:37,090 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 0 mSDsluCounter, 4191 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:37,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4893 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 19:15:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-11-01 19:15:37,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1174. [2024-11-01 19:15:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 800 states have (on average 1.35) internal successors, (1080), 810 states have internal predecessors, (1080), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2024-11-01 19:15:37,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1649 transitions. [2024-11-01 19:15:37,162 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1649 transitions. Word has length 50 [2024-11-01 19:15:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:37,163 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1649 transitions. [2024-11-01 19:15:37,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 19:15:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1649 transitions. [2024-11-01 19:15:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-01 19:15:37,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:37,164 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 19:15:37,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-01 19:15:37,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:37,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:37,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:37,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1508483811, now seen corresponding path program 1 times [2024-11-01 19:15:37,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:37,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982409029] [2024-11-01 19:15:37,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:37,370 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:37,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:37,372 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 19:15:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-01 19:15:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:38,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 2412 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 19:15:38,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:38,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:39,395 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:39,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982409029] [2024-11-01 19:15:39,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1982409029] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:39,395 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:39,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-01 19:15:39,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285227490] [2024-11-01 19:15:39,396 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:39,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 19:15:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:39,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 19:15:39,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:15:39,397 INFO L87 Difference]: Start difference. First operand 1174 states and 1649 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 19:15:39,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:39,933 INFO L93 Difference]: Finished difference Result 1886 states and 2632 transitions. [2024-11-01 19:15:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 19:15:39,935 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2024-11-01 19:15:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:39,941 INFO L225 Difference]: With dead ends: 1886 [2024-11-01 19:15:39,941 INFO L226 Difference]: Without dead ends: 718 [2024-11-01 19:15:39,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:15:39,947 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 0 mSDsluCounter, 4827 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:39,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5520 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 19:15:39,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-01 19:15:39,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 713. [2024-11-01 19:15:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 482 states have (on average 1.3257261410788381) internal successors, (639), 488 states have internal predecessors, (639), 173 states have call successors, (173), 59 states have call predecessors, (173), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 19:15:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 981 transitions. [2024-11-01 19:15:39,993 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 981 transitions. Word has length 51 [2024-11-01 19:15:39,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:39,993 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 981 transitions. [2024-11-01 19:15:39,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-01 19:15:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 981 transitions. [2024-11-01 19:15:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-01 19:15:39,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:39,996 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:40,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-01 19:15:40,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:40,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:40,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1298535700, now seen corresponding path program 1 times [2024-11-01 19:15:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:40,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533154139] [2024-11-01 19:15:40,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:40,200 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 19:15:40,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-01 19:15:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:41,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 19:15:41,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 19:15:41,549 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 19:15:41,991 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:41,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533154139] [2024-11-01 19:15:41,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1533154139] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:41,991 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:41,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:41,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396989664] [2024-11-01 19:15:41,991 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:41,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:41,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:41,992 INFO L87 Difference]: Start difference. First operand 713 states and 981 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 19:15:46,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:46,375 INFO L93 Difference]: Finished difference Result 715 states and 982 transitions. [2024-11-01 19:15:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:46,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-11-01 19:15:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:46,380 INFO L225 Difference]: With dead ends: 715 [2024-11-01 19:15:46,380 INFO L226 Difference]: Without dead ends: 712 [2024-11-01 19:15:46,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:46,381 INFO L432 NwaCegarLoop]: 731 mSDtfsCounter, 70 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:46,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 1378 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-01 19:15:46,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 712. [2024-11-01 19:15:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 482 states have (on average 1.3195020746887967) internal successors, (636), 487 states have internal predecessors, (636), 172 states have call successors, (172), 59 states have call predecessors, (172), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 19:15:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 977 transitions. [2024-11-01 19:15:46,425 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 977 transitions. Word has length 54 [2024-11-01 19:15:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:46,426 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 977 transitions. [2024-11-01 19:15:46,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 19:15:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 977 transitions. [2024-11-01 19:15:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-01 19:15:46,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:46,429 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:46,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-01 19:15:46,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:46,630 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:46,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:46,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1241243572, now seen corresponding path program 1 times [2024-11-01 19:15:46,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:46,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991116804] [2024-11-01 19:15:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:46,630 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:46,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:46,633 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 19:15:46,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-01 19:15:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:47,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 19:15:47,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 19:15:48,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 19:15:49,045 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:49,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991116804] [2024-11-01 19:15:49,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1991116804] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:49,045 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:49,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:49,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709970257] [2024-11-01 19:15:49,046 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:49,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:49,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:49,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:49,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:49,047 INFO L87 Difference]: Start difference. First operand 712 states and 977 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 19:15:53,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:15:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:15:53,421 INFO L93 Difference]: Finished difference Result 714 states and 978 transitions. [2024-11-01 19:15:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:15:53,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 71 [2024-11-01 19:15:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:15:53,429 INFO L225 Difference]: With dead ends: 714 [2024-11-01 19:15:53,429 INFO L226 Difference]: Without dead ends: 711 [2024-11-01 19:15:53,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:53,432 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 130 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:15:53,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1377 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:15:53,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-01 19:15:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2024-11-01 19:15:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 482 states have (on average 1.3174273858921162) internal successors, (635), 486 states have internal predecessors, (635), 171 states have call successors, (171), 59 states have call predecessors, (171), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 19:15:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 975 transitions. [2024-11-01 19:15:53,476 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 975 transitions. Word has length 71 [2024-11-01 19:15:53,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:15:53,476 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 975 transitions. [2024-11-01 19:15:53,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 19:15:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 975 transitions. [2024-11-01 19:15:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-01 19:15:53,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:15:53,480 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:15:53,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Ended with exit code 0 [2024-11-01 19:15:53,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:53,681 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:15:53,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:15:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash -16943410, now seen corresponding path program 1 times [2024-11-01 19:15:53,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:15:53,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493385019] [2024-11-01 19:15:53,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:15:53,682 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:15:53,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:15:53,685 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 19:15:53,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-01 19:15:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:15:54,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 2516 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-01 19:15:54,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:15:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 19:15:55,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:15:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-01 19:15:56,640 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:15:56,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493385019] [2024-11-01 19:15:56,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1493385019] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:15:56,640 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:15:56,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:15:56,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971150194] [2024-11-01 19:15:56,640 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:15:56,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:15:56,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:15:56,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:15:56,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:15:56,641 INFO L87 Difference]: Start difference. First operand 711 states and 975 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 19:16:00,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:16:01,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:01,056 INFO L93 Difference]: Finished difference Result 714 states and 977 transitions. [2024-11-01 19:16:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:16:01,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 86 [2024-11-01 19:16:01,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:01,063 INFO L225 Difference]: With dead ends: 714 [2024-11-01 19:16:01,063 INFO L226 Difference]: Without dead ends: 711 [2024-11-01 19:16:01,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:16:01,064 INFO L432 NwaCegarLoop]: 778 mSDtfsCounter, 108 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:01,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1430 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-01 19:16:01,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-01 19:16:01,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 711. [2024-11-01 19:16:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 482 states have (on average 1.3153526970954357) internal successors, (634), 486 states have internal predecessors, (634), 171 states have call successors, (171), 59 states have call predecessors, (171), 57 states have return successors, (169), 169 states have call predecessors, (169), 167 states have call successors, (169) [2024-11-01 19:16:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 974 transitions. [2024-11-01 19:16:01,109 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 974 transitions. Word has length 86 [2024-11-01 19:16:01,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:01,109 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 974 transitions. [2024-11-01 19:16:01,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 19:16:01,109 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 974 transitions. [2024-11-01 19:16:01,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-01 19:16:01,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:01,113 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-01 19:16:01,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Ended with exit code 0 [2024-11-01 19:16:01,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:01,320 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:01,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:01,320 INFO L85 PathProgramCache]: Analyzing trace with hash -559699656, now seen corresponding path program 1 times [2024-11-01 19:16:01,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:01,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410385589] [2024-11-01 19:16:01,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:01,322 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:01,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-01 19:16:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:02,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 2636 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-01 19:16:02,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-01 19:16:03,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:05,000 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-01 19:16:05,001 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:05,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410385589] [2024-11-01 19:16:05,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1410385589] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:05,001 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:05,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2024-11-01 19:16:05,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671030091] [2024-11-01 19:16:05,003 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:05,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 19:16:05,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:05,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 19:16:05,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:16:05,008 INFO L87 Difference]: Start difference. First operand 711 states and 974 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-01 19:16:05,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:05,480 INFO L93 Difference]: Finished difference Result 1416 states and 1944 transitions. [2024-11-01 19:16:05,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 19:16:05,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 136 [2024-11-01 19:16:05,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:05,485 INFO L225 Difference]: With dead ends: 1416 [2024-11-01 19:16:05,485 INFO L226 Difference]: Without dead ends: 711 [2024-11-01 19:16:05,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:16:05,488 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 1 mSDsluCounter, 3427 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4117 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:05,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4117 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 19:16:05,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-01 19:16:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 710. [2024-11-01 19:16:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 483 states have (on average 1.3126293995859213) internal successors, (634), 486 states have internal predecessors, (634), 169 states have call successors, (169), 59 states have call predecessors, (169), 57 states have return successors, (168), 168 states have call predecessors, (168), 166 states have call successors, (168) [2024-11-01 19:16:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 971 transitions. [2024-11-01 19:16:05,528 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 971 transitions. Word has length 136 [2024-11-01 19:16:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:05,528 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 971 transitions. [2024-11-01 19:16:05,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-01 19:16:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 971 transitions. [2024-11-01 19:16:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-01 19:16:05,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:16:05,530 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:05,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Forceful destruction successful, exit code 0 [2024-11-01 19:16:05,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:05,731 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:16:05,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:16:05,732 INFO L85 PathProgramCache]: Analyzing trace with hash 926842209, now seen corresponding path program 1 times [2024-11-01 19:16:05,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:16:05,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303421326] [2024-11-01 19:16:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:16:05,732 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:16:05,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:05,734 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 19:16:05,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Waiting until timeout for monitored process [2024-11-01 19:16:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:16:07,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-01 19:16:07,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:16:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-01 19:16:07,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:16:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-01 19:16:09,309 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:16:09,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303421326] [2024-11-01 19:16:09,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [303421326] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:16:09,309 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:16:09,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2024-11-01 19:16:09,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710745824] [2024-11-01 19:16:09,310 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:16:09,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 19:16:09,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:16:09,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 19:16:09,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:16:09,311 INFO L87 Difference]: Start difference. First operand 710 states and 971 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-01 19:16:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:16:09,755 INFO L93 Difference]: Finished difference Result 766 states and 1037 transitions. [2024-11-01 19:16:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 19:16:09,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 133 [2024-11-01 19:16:09,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:16:09,757 INFO L225 Difference]: With dead ends: 766 [2024-11-01 19:16:09,757 INFO L226 Difference]: Without dead ends: 0 [2024-11-01 19:16:09,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:16:09,760 INFO L432 NwaCegarLoop]: 687 mSDtfsCounter, 1 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 19:16:09,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4099 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 19:16:09,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-01 19:16:09,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-01 19:16:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 19:16:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-01 19:16:09,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2024-11-01 19:16:09,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:16:09,761 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-01 19:16:09,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-01 19:16:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-01 19:16:09,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-01 19:16:09,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 19:16:09,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Forceful destruction successful, exit code 0 [2024-11-01 19:16:09,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:16:09,967 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:16:09,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.