/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 19:18:01,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 19:18:01,983 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 19:18:01,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 19:18:01,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 19:18:02,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 19:18:02,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 19:18:02,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 19:18:02,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 19:18:02,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 19:18:02,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 19:18:02,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 19:18:02,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 19:18:02,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 19:18:02,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 19:18:02,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 19:18:02,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 19:18:02,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 19:18:02,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 19:18:02,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 19:18:02,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 19:18:02,032 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 19:18:02,032 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 19:18:02,032 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 19:18:02,032 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 19:18:02,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 19:18:02,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 19:18:02,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 19:18:02,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 19:18:02,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 19:18:02,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 19:18:02,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:18:02,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 19:18:02,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 19:18:02,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 19:18:02,034 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 19:18:02,034 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 19:18:02,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 19:18:02,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 19:18:02,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 19:18:02,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 19:18:02,035 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 19:18:02,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 19:18:02,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 19:18:02,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 19:18:02,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 19:18:02,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 19:18:02,352 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 19:18:02,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2024-11-01 19:18:03,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 19:18:04,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 19:18:04,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2024-11-01 19:18:04,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bf07633/10416a8c2d8944689aca863ec402ff47/FLAGfe8b82fa5 [2024-11-01 19:18:04,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20bf07633/10416a8c2d8944689aca863ec402ff47 [2024-11-01 19:18:04,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 19:18:04,131 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 19:18:04,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 19:18:04,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 19:18:04,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 19:18:04,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:18:04" (1/1) ... [2024-11-01 19:18:04,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c8e486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:04, skipping insertion in model container [2024-11-01 19:18:04,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 07:18:04" (1/1) ... [2024-11-01 19:18:04,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:18:04,868 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2024-11-01 19:18:04,934 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 19:18:04,934 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 19:18:04,951 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 19:18:04,951 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 19:18:04,952 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 19:18:04,994 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 19:18:04,994 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 19:18:04,995 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 19:18:04,999 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 19:18:04,999 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 19:18:04,999 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 19:18:05,000 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 19:18:05,093 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 19:18:05,140 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 19:18:05,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:18:05,184 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-01 19:18:05,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 19:18:05,417 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2024-11-01 19:18:05,430 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 19:18:05,430 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 19:18:05,438 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 19:18:05,439 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 19:18:05,439 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 19:18:05,452 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 19:18:05,452 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 19:18:05,453 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 19:18:05,456 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 19:18:05,457 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 19:18:05,457 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 19:18:05,457 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 19:18:05,476 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 19:18:05,482 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 19:18:05,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:18:05,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 19:18:05,632 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i[160969,160982] [2024-11-01 19:18:05,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 19:18:05,731 INFO L204 MainTranslator]: Completed translation [2024-11-01 19:18:05,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05 WrapperNode [2024-11-01 19:18:05,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 19:18:05,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 19:18:05,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 19:18:05,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 19:18:05,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,854 INFO L138 Inliner]: procedures = 115, calls = 399, calls flagged for inlining = 41, calls inlined = 38, statements flattened = 1019 [2024-11-01 19:18:05,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 19:18:05,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 19:18:05,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 19:18:05,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 19:18:05,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,935 INFO L175 MemorySlicer]: Split 259 memory accesses to 11 slices as follows [33, 2, 17, 90, 21, 7, 21, 19, 44, 3, 2]. 35 percent of accesses are in the largest equivalence class. The 78 initializations are split as follows [33, 2, 15, 0, 21, 7, 0, 0, 0, 0, 0]. The 113 writes are split as follows [0, 0, 1, 29, 0, 0, 18, 19, 44, 1, 1]. [2024-11-01 19:18:05,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:05,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:06,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:06,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:06,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 19:18:06,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 19:18:06,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 19:18:06,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 19:18:06,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (1/1) ... [2024-11-01 19:18:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 19:18:06,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 19:18:06,089 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 19:18:06,099 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 19:18:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 19:18:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 19:18:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 19:18:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 19:18:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 19:18:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 19:18:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 19:18:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 19:18:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 19:18:06,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 19:18:06,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 19:18:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-01 19:18:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-01 19:18:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-01 19:18:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-01 19:18:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-01 19:18:06,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-01 19:18:06,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 19:18:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-01 19:18:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-01 19:18:06,124 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-01 19:18:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-01 19:18:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 19:18:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 19:18:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-01 19:18:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-01 19:18:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 19:18:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 19:18:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-01 19:18:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 19:18:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 19:18:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 19:18:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 19:18:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 19:18:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 19:18:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 19:18:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#10 [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-01 19:18:06,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-01 19:18:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-01 19:18:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-01 19:18:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-01 19:18:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-01 19:18:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-01 19:18:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-01 19:18:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-01 19:18:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-01 19:18:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-01 19:18:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-01 19:18:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-01 19:18:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 19:18:06,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 19:18:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 19:18:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 19:18:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-01 19:18:06,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 19:18:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#10 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 19:18:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#10 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 19:18:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 19:18:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#10 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 19:18:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2024-11-01 19:18:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2024-11-01 19:18:06,142 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 19:18:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 19:18:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 19:18:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-01 19:18:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 19:18:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 19:18:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 19:18:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 19:18:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-01 19:18:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-01 19:18:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-01 19:18:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#10 [2024-11-01 19:18:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 19:18:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 19:18:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 19:18:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 19:18:06,604 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 19:18:06,606 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 19:18:06,629 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 19:18:22,722 INFO L? ?]: Removed 432 outVars from TransFormulas that were not future-live. [2024-11-01 19:18:22,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 19:18:22,747 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 19:18:22,748 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 19:18:22,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:18:22 BoogieIcfgContainer [2024-11-01 19:18:22,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 19:18:22,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 19:18:22,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 19:18:22,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 19:18:22,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 07:18:04" (1/3) ... [2024-11-01 19:18:22,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770c53ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:18:22, skipping insertion in model container [2024-11-01 19:18:22,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 07:18:05" (2/3) ... [2024-11-01 19:18:22,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770c53ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 07:18:22, skipping insertion in model container [2024-11-01 19:18:22,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 07:18:22" (3/3) ... [2024-11-01 19:18:22,757 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2024-11-01 19:18:22,771 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 19:18:22,771 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 19:18:22,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 19:18:22,846 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;@17efcbd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 19:18:22,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 19:18:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 202 states have internal predecessors, (272), 39 states have call successors, (39), 16 states have call predecessors, (39), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-01 19:18:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-01 19:18:22,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:22,868 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:18:22,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:22,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:22,873 INFO L85 PathProgramCache]: Analyzing trace with hash 26897051, now seen corresponding path program 1 times [2024-11-01 19:18:22,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:22,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379620770] [2024-11-01 19:18:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:22,884 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:22,890 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 19:18:22,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 19:18:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:23,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 19:18:23,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 19:18:24,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 19:18:24,758 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:24,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379620770] [2024-11-01 19:18:24,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [379620770] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:24,758 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:24,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 19:18:24,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610860982] [2024-11-01 19:18:24,760 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:24,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 19:18:24,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:24,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 19:18:24,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 19:18:24,792 INFO L87 Difference]: Start difference. First operand has 252 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 202 states have internal predecessors, (272), 39 states have call successors, (39), 16 states have call predecessors, (39), 15 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 19:18:25,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:25,027 INFO L93 Difference]: Finished difference Result 505 states and 715 transitions. [2024-11-01 19:18:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 19:18:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-01 19:18:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:25,037 INFO L225 Difference]: With dead ends: 505 [2024-11-01 19:18:25,037 INFO L226 Difference]: Without dead ends: 243 [2024-11-01 19:18:25,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 19:18:25,043 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 0 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:25,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 678 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 19:18:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-01 19:18:25,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2024-11-01 19:18:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 193 states have (on average 1.3471502590673574) internal successors, (260), 193 states have internal predecessors, (260), 35 states have call successors, (35), 15 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-01 19:18:25,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 329 transitions. [2024-11-01 19:18:25,092 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 329 transitions. Word has length 42 [2024-11-01 19:18:25,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:25,093 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 329 transitions. [2024-11-01 19:18:25,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 19:18:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2024-11-01 19:18:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-01 19:18:25,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:25,095 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 19:18:25,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-01 19:18:25,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:25,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:25,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:25,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1999432827, now seen corresponding path program 1 times [2024-11-01 19:18:25,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:25,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155538067] [2024-11-01 19:18:25,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:25,304 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:25,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:25,327 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 19:18:25,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 19:18:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:26,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 19:18:26,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 19:18:26,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 19:18:27,973 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:27,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155538067] [2024-11-01 19:18:27,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1155538067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:18:27,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:18:27,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 19:18:27,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780978088] [2024-11-01 19:18:27,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:18:27,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 19:18:27,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:27,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 19:18:27,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:18:27,976 INFO L87 Difference]: Start difference. First operand 243 states and 329 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 19:18:28,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:28,508 INFO L93 Difference]: Finished difference Result 477 states and 648 transitions. [2024-11-01 19:18:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 19:18:28,513 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-01 19:18:28,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:28,516 INFO L225 Difference]: With dead ends: 477 [2024-11-01 19:18:28,516 INFO L226 Difference]: Without dead ends: 245 [2024-11-01 19:18:28,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:18:28,521 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:28,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1299 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 19:18:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-01 19:18:28,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2024-11-01 19:18:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 195 states have (on average 1.3435897435897435) internal successors, (262), 195 states have internal predecessors, (262), 35 states have call successors, (35), 15 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-01 19:18:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 331 transitions. [2024-11-01 19:18:28,546 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 331 transitions. Word has length 44 [2024-11-01 19:18:28,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:28,546 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 331 transitions. [2024-11-01 19:18:28,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-01 19:18:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2024-11-01 19:18:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 19:18:28,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:28,548 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:18:28,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-01 19:18:28,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:28,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:28,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:28,753 INFO L85 PathProgramCache]: Analyzing trace with hash -769231269, now seen corresponding path program 2 times [2024-11-01 19:18:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:28,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268207313] [2024-11-01 19:18:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:28,754 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:28,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:28,756 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 19:18:28,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 19:18:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:29,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 19:18:29,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 19:18:29,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 19:18:30,418 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:30,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268207313] [2024-11-01 19:18:30,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [268207313] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:30,419 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:30,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 19:18:30,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609858345] [2024-11-01 19:18:30,419 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:30,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 19:18:30,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:30,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 19:18:30,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 19:18:30,420 INFO L87 Difference]: Start difference. First operand 245 states and 331 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-01 19:18:30,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:30,658 INFO L93 Difference]: Finished difference Result 473 states and 643 transitions. [2024-11-01 19:18:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 19:18:30,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2024-11-01 19:18:30,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:30,665 INFO L225 Difference]: With dead ends: 473 [2024-11-01 19:18:30,665 INFO L226 Difference]: Without dead ends: 247 [2024-11-01 19:18:30,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 19:18:30,673 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:30,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1297 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 19:18:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-01 19:18:30,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-01 19:18:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 197 states have (on average 1.3401015228426396) internal successors, (264), 197 states have internal predecessors, (264), 35 states have call successors, (35), 15 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-01 19:18:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 333 transitions. [2024-11-01 19:18:30,712 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 333 transitions. Word has length 46 [2024-11-01 19:18:30,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:30,713 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 333 transitions. [2024-11-01 19:18:30,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-01 19:18:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 333 transitions. [2024-11-01 19:18:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-01 19:18:30,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:30,719 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-11-01 19:18:30,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-01 19:18:30,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:30,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:30,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1445429701, now seen corresponding path program 1 times [2024-11-01 19:18:30,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:30,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124054898] [2024-11-01 19:18:30,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:30,921 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:30,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:30,923 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 19:18:30,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-01 19:18:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:31,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 19:18:31,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 19:18:32,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:33,669 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-01 19:18:33,669 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:33,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124054898] [2024-11-01 19:18:33,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1124054898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 19:18:33,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 19:18:33,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 19:18:33,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216186675] [2024-11-01 19:18:33,670 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 19:18:33,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 19:18:33,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:33,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 19:18:33,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:18:33,671 INFO L87 Difference]: Start difference. First operand 247 states and 333 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-01 19:18:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:34,173 INFO L93 Difference]: Finished difference Result 475 states and 645 transitions. [2024-11-01 19:18:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 19:18:34,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-11-01 19:18:34,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:34,176 INFO L225 Difference]: With dead ends: 475 [2024-11-01 19:18:34,176 INFO L226 Difference]: Without dead ends: 249 [2024-11-01 19:18:34,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:18:34,177 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:34,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1945 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-01 19:18:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-01 19:18:34,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-11-01 19:18:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 199 states have (on average 1.3366834170854272) internal successors, (266), 199 states have internal predecessors, (266), 35 states have call successors, (35), 15 states have call predecessors, (35), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-01 19:18:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 335 transitions. [2024-11-01 19:18:34,196 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 335 transitions. Word has length 48 [2024-11-01 19:18:34,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:34,197 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 335 transitions. [2024-11-01 19:18:34,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-01 19:18:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 335 transitions. [2024-11-01 19:18:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-01 19:18:34,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:34,198 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:18:34,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-01 19:18:34,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:34,399 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:34,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:34,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1562906139, now seen corresponding path program 2 times [2024-11-01 19:18:34,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:34,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291655682] [2024-11-01 19:18:34,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:34,400 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:34,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:34,402 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 19:18:34,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-01 19:18:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:35,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:35,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-01 19:18:35,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:35,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-01 19:18:35,847 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:35,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291655682] [2024-11-01 19:18:35,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1291655682] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:35,847 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:35,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 19:18:35,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554727618] [2024-11-01 19:18:35,847 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:35,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 19:18:35,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:35,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 19:18:35,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:18:35,849 INFO L87 Difference]: Start difference. First operand 249 states and 335 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-01 19:18:39,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:18:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:41,547 INFO L93 Difference]: Finished difference Result 869 states and 1194 transitions. [2024-11-01 19:18:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 19:18:41,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2024-11-01 19:18:41,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:41,551 INFO L225 Difference]: With dead ends: 869 [2024-11-01 19:18:41,551 INFO L226 Difference]: Without dead ends: 648 [2024-11-01 19:18:41,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 19:18:41,552 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 787 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:41,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 851 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-01 19:18:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-01 19:18:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2024-11-01 19:18:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 520 states have (on average 1.3653846153846154) internal successors, (710), 520 states have internal predecessors, (710), 89 states have call successors, (89), 39 states have call predecessors, (89), 38 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-01 19:18:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 887 transitions. [2024-11-01 19:18:41,586 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 887 transitions. Word has length 50 [2024-11-01 19:18:41,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:41,587 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 887 transitions. [2024-11-01 19:18:41,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-01 19:18:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 887 transitions. [2024-11-01 19:18:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-01 19:18:41,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:41,588 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:18:41,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-01 19:18:41,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:41,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:41,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash 717015779, now seen corresponding path program 1 times [2024-11-01 19:18:41,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:41,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493611177] [2024-11-01 19:18:41,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:41,790 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:41,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:41,792 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 19:18:41,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-01 19:18:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:42,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 19:18:42,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-01 19:18:44,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-01 19:18:45,745 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:45,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493611177] [2024-11-01 19:18:45,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [493611177] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:45,746 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:45,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-01 19:18:45,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052071604] [2024-11-01 19:18:45,746 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:45,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 19:18:45,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:45,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 19:18:45,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-01 19:18:45,748 INFO L87 Difference]: Start difference. First operand 648 states and 887 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 19:18:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:46,656 INFO L93 Difference]: Finished difference Result 1885 states and 2613 transitions. [2024-11-01 19:18:46,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 19:18:46,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2024-11-01 19:18:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:46,670 INFO L225 Difference]: With dead ends: 1885 [2024-11-01 19:18:46,670 INFO L226 Difference]: Without dead ends: 1259 [2024-11-01 19:18:46,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-01 19:18:46,675 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 285 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:46,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1638 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 19:18:46,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-01 19:18:46,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1259. [2024-11-01 19:18:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1011 states have (on average 1.367952522255193) internal successors, (1383), 1011 states have internal predecessors, (1383), 173 states have call successors, (173), 75 states have call predecessors, (173), 74 states have return successors, (181), 172 states have call predecessors, (181), 172 states have call successors, (181) [2024-11-01 19:18:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1737 transitions. [2024-11-01 19:18:46,764 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1737 transitions. Word has length 60 [2024-11-01 19:18:46,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:46,767 INFO L471 AbstractCegarLoop]: Abstraction has 1259 states and 1737 transitions. [2024-11-01 19:18:46,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-01 19:18:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1737 transitions. [2024-11-01 19:18:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-01 19:18:46,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:46,776 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-01 19:18:46,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Forceful destruction successful, exit code 0 [2024-11-01 19:18:46,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:46,977 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:46,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:46,978 INFO L85 PathProgramCache]: Analyzing trace with hash -740727407, now seen corresponding path program 1 times [2024-11-01 19:18:46,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:46,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641459749] [2024-11-01 19:18:46,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:46,978 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:46,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:46,985 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 19:18:46,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-01 19:18:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:47,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:47,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-01 19:18:48,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-01 19:18:49,971 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:49,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641459749] [2024-11-01 19:18:49,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [641459749] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:49,971 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:49,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:18:49,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462836993] [2024-11-01 19:18:49,971 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:49,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:18:49,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:49,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:18:49,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:49,974 INFO L87 Difference]: Start difference. First operand 1259 states and 1737 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 19:18:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:50,650 INFO L93 Difference]: Finished difference Result 2806 states and 3909 transitions. [2024-11-01 19:18:50,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:18:50,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 134 [2024-11-01 19:18:50,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:50,657 INFO L225 Difference]: With dead ends: 2806 [2024-11-01 19:18:50,657 INFO L226 Difference]: Without dead ends: 1575 [2024-11-01 19:18:50,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:50,660 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 115 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:50,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 620 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 19:18:50,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-01 19:18:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1523. [2024-11-01 19:18:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1249 states have (on average 1.3923138510808646) internal successors, (1739), 1249 states have internal predecessors, (1739), 188 states have call successors, (188), 86 states have call predecessors, (188), 85 states have return successors, (196), 187 states have call predecessors, (196), 187 states have call successors, (196) [2024-11-01 19:18:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2123 transitions. [2024-11-01 19:18:50,710 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2123 transitions. Word has length 134 [2024-11-01 19:18:50,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:50,711 INFO L471 AbstractCegarLoop]: Abstraction has 1523 states and 2123 transitions. [2024-11-01 19:18:50,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 19:18:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2123 transitions. [2024-11-01 19:18:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-01 19:18:50,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:50,715 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-01 19:18:50,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Forceful destruction successful, exit code 0 [2024-11-01 19:18:50,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:50,916 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:50,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:50,917 INFO L85 PathProgramCache]: Analyzing trace with hash 917921625, now seen corresponding path program 1 times [2024-11-01 19:18:50,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:50,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199697240] [2024-11-01 19:18:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:50,917 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:50,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:50,921 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 19:18:50,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-01 19:18:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:18:51,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 19:18:51,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:18:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-01 19:18:52,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:18:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-01 19:18:54,901 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:18:54,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199697240] [2024-11-01 19:18:54,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [199697240] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:18:54,901 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:18:54,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 19:18:54,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955130420] [2024-11-01 19:18:54,901 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:18:54,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 19:18:54,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:18:54,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 19:18:54,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:54,903 INFO L87 Difference]: Start difference. First operand 1523 states and 2123 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-01 19:18:58,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 19:18:59,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:18:59,614 INFO L93 Difference]: Finished difference Result 4118 states and 5741 transitions. [2024-11-01 19:18:59,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 19:18:59,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 156 [2024-11-01 19:18:59,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:18:59,625 INFO L225 Difference]: With dead ends: 4118 [2024-11-01 19:18:59,626 INFO L226 Difference]: Without dead ends: 2634 [2024-11-01 19:18:59,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 19:18:59,630 INFO L432 NwaCegarLoop]: 410 mSDtfsCounter, 268 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-01 19:18:59,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 693 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-01 19:18:59,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2024-11-01 19:18:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2625. [2024-11-01 19:18:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2157 states have (on average 1.3759851645804357) internal successors, (2968), 2157 states have internal predecessors, (2968), 316 states have call successors, (316), 152 states have call predecessors, (316), 151 states have return successors, (327), 315 states have call predecessors, (327), 315 states have call successors, (327) [2024-11-01 19:18:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3611 transitions. [2024-11-01 19:18:59,705 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3611 transitions. Word has length 156 [2024-11-01 19:18:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:18:59,705 INFO L471 AbstractCegarLoop]: Abstraction has 2625 states and 3611 transitions. [2024-11-01 19:18:59,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-01 19:18:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3611 transitions. [2024-11-01 19:18:59,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-01 19:18:59,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:18:59,709 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-01 19:18:59,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-01 19:18:59,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:59,914 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:18:59,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:18:59,914 INFO L85 PathProgramCache]: Analyzing trace with hash -286172633, now seen corresponding path program 1 times [2024-11-01 19:18:59,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:18:59,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399587107] [2024-11-01 19:18:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:18:59,914 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:18:59,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:18:59,918 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 19:18:59,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-01 19:19:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:19:00,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 19:19:00,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:19:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-01 19:19:01,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:19:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-01 19:19:04,535 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:19:04,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399587107] [2024-11-01 19:19:04,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1399587107] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:19:04,535 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:19:04,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-01 19:19:04,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590946369] [2024-11-01 19:19:04,535 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:19:04,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-01 19:19:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:19:04,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-01 19:19:04,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 19:19:04,537 INFO L87 Difference]: Start difference. First operand 2625 states and 3611 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-01 19:19:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:19:04,852 INFO L93 Difference]: Finished difference Result 5265 states and 7290 transitions. [2024-11-01 19:19:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 19:19:04,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2024-11-01 19:19:04,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:19:04,871 INFO L225 Difference]: With dead ends: 5265 [2024-11-01 19:19:04,872 INFO L226 Difference]: Without dead ends: 2679 [2024-11-01 19:19:04,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 19:19:04,881 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-01 19:19:04,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1295 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-01 19:19:04,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2024-11-01 19:19:04,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2673. [2024-11-01 19:19:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2193 states have (on average 1.369813041495668) internal successors, (3004), 2193 states have internal predecessors, (3004), 316 states have call successors, (316), 152 states have call predecessors, (316), 163 states have return successors, (347), 327 states have call predecessors, (347), 315 states have call successors, (347) [2024-11-01 19:19:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3667 transitions. [2024-11-01 19:19:04,974 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3667 transitions. Word has length 156 [2024-11-01 19:19:04,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:19:04,975 INFO L471 AbstractCegarLoop]: Abstraction has 2673 states and 3667 transitions. [2024-11-01 19:19:04,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-01 19:19:04,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3667 transitions. [2024-11-01 19:19:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-01 19:19:04,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:19:04,981 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:19:05,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Ended with exit code 0 [2024-11-01 19:19:05,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:05,186 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:19:05,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:19:05,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1494505199, now seen corresponding path program 1 times [2024-11-01 19:19:05,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:19:05,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094987056] [2024-11-01 19:19:05,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:19:05,191 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:19:05,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:05,192 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 19:19:05,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-01 19:19:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:19:06,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-01 19:19:06,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:19:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-01 19:19:08,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:19:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-01 19:19:12,008 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:19:12,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094987056] [2024-11-01 19:19:12,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2094987056] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:19:12,009 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:19:12,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2024-11-01 19:19:12,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441675058] [2024-11-01 19:19:12,009 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:19:12,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 19:19:12,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:19:12,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 19:19:12,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:19:12,010 INFO L87 Difference]: Start difference. First operand 2673 states and 3667 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-01 19:19:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:19:13,714 INFO L93 Difference]: Finished difference Result 5397 states and 7436 transitions. [2024-11-01 19:19:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 19:19:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 163 [2024-11-01 19:19:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:19:13,724 INFO L225 Difference]: With dead ends: 5397 [2024-11-01 19:19:13,724 INFO L226 Difference]: Without dead ends: 2763 [2024-11-01 19:19:13,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-01 19:19:13,729 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 7 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:19:13,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2974 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-01 19:19:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2024-11-01 19:19:13,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2721. [2024-11-01 19:19:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2721 states, 2229 states have (on average 1.3584567070435172) internal successors, (3028), 2229 states have internal predecessors, (3028), 316 states have call successors, (316), 152 states have call predecessors, (316), 175 states have return successors, (359), 339 states have call predecessors, (359), 315 states have call successors, (359) [2024-11-01 19:19:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3703 transitions. [2024-11-01 19:19:13,794 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3703 transitions. Word has length 163 [2024-11-01 19:19:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:19:13,794 INFO L471 AbstractCegarLoop]: Abstraction has 2721 states and 3703 transitions. [2024-11-01 19:19:13,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 8 states have internal predecessors, (101), 3 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-01 19:19:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3703 transitions. [2024-11-01 19:19:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-01 19:19:13,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:19:13,798 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:19:13,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Ended with exit code 0 [2024-11-01 19:19:14,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:14,002 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:19:14,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:19:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1353541914, now seen corresponding path program 1 times [2024-11-01 19:19:14,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:19:14,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914587714] [2024-11-01 19:19:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:19:14,003 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:19:14,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:14,005 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 19:19:14,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-01 19:19:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 19:19:15,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-01 19:19:15,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 19:19:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-01 19:19:18,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 19:19:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-01 19:19:30,126 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 19:19:30,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914587714] [2024-11-01 19:19:30,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1914587714] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 19:19:30,126 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 19:19:30,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2024-11-01 19:19:30,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550331123] [2024-11-01 19:19:30,127 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 19:19:30,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-01 19:19:30,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 19:19:30,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-01 19:19:30,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-01 19:19:30,128 INFO L87 Difference]: Start difference. First operand 2721 states and 3703 transitions. Second operand has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 18 states have internal predecessors, (119), 6 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (23), 10 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-01 19:19:34,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 19:19:34,761 INFO L93 Difference]: Finished difference Result 5529 states and 7568 transitions. [2024-11-01 19:19:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-01 19:19:34,762 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 18 states have internal predecessors, (119), 6 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (23), 10 states have call predecessors, (23), 6 states have call successors, (23) Word has length 169 [2024-11-01 19:19:34,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 19:19:34,775 INFO L225 Difference]: With dead ends: 5529 [2024-11-01 19:19:34,775 INFO L226 Difference]: Without dead ends: 2847 [2024-11-01 19:19:34,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-01 19:19:34,782 INFO L432 NwaCegarLoop]: 340 mSDtfsCounter, 16 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 6037 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-01 19:19:34,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 6037 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-01 19:19:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-01 19:19:34,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2781. [2024-11-01 19:19:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2277 states have (on average 1.3509003074220465) internal successors, (3076), 2277 states have internal predecessors, (3076), 328 states have call successors, (328), 152 states have call predecessors, (328), 175 states have return successors, (371), 351 states have call predecessors, (371), 327 states have call successors, (371) [2024-11-01 19:19:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3775 transitions. [2024-11-01 19:19:34,893 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3775 transitions. Word has length 169 [2024-11-01 19:19:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 19:19:34,893 INFO L471 AbstractCegarLoop]: Abstraction has 2781 states and 3775 transitions. [2024-11-01 19:19:34,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.409090909090909) internal successors, (119), 18 states have internal predecessors, (119), 6 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (23), 10 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-01 19:19:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3775 transitions. [2024-11-01 19:19:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-01 19:19:34,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 19:19:34,899 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 19:19:34,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Ended with exit code 0 [2024-11-01 19:19:35,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:35,104 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 19:19:35,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 19:19:35,104 INFO L85 PathProgramCache]: Analyzing trace with hash 666294844, now seen corresponding path program 1 times [2024-11-01 19:19:35,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 19:19:35,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671011260] [2024-11-01 19:19:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 19:19:35,105 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 19:19:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:35,106 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 19:19:35,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Waiting until timeout for monitored process [2024-11-01 19:19:36,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Ended with exit code 0 [2024-11-01 19:19:36,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 19:19:36,315 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:88) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13) with exit command (exit)) Unexpected Exception while parsing No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:271) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 29 more Caused by: java.lang.Exception: Can't recover from previous error(s) at com.github.jhoenicke.javacup.runtime.LRParser.report_fatal_error(LRParser.java:281) at com.github.jhoenicke.javacup.runtime.LRParser.unrecovered_syntax_error(LRParser.java:330) at com.github.jhoenicke.javacup.runtime.LRParser.error_recovery(LRParser.java:624) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:401) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 36 more [2024-11-01 19:19:36,319 INFO L158 Benchmark]: Toolchain (without parser) took 92187.86ms. Allocated memory was 195.0MB in the beginning and 556.8MB in the end (delta: 361.8MB). Free memory was 163.7MB in the beginning and 215.8MB in the end (delta: -52.1MB). Peak memory consumption was 311.0MB. Max. memory is 8.0GB. [2024-11-01 19:19:36,319 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory was 170.6MB in the beginning and 170.5MB in the end (delta: 113.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 19:19:36,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1601.21ms. Allocated memory was 195.0MB in the beginning and 253.8MB in the end (delta: 58.7MB). Free memory was 163.2MB in the beginning and 162.2MB in the end (delta: 1.0MB). Peak memory consumption was 110.5MB. Max. memory is 8.0GB. [2024-11-01 19:19:36,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.57ms. Allocated memory is still 253.8MB. Free memory was 162.2MB in the beginning and 154.9MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2024-11-01 19:19:36,320 INFO L158 Benchmark]: Boogie Preprocessor took 195.47ms. Allocated memory is still 253.8MB. Free memory was 154.9MB in the beginning and 126.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-11-01 19:19:36,320 INFO L158 Benchmark]: RCFGBuilder took 16696.72ms. Allocated memory is still 253.8MB. Free memory was 126.6MB in the beginning and 172.3MB in the end (delta: -45.7MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2024-11-01 19:19:36,320 INFO L158 Benchmark]: TraceAbstraction took 73568.55ms. Allocated memory was 253.8MB in the beginning and 556.8MB in the end (delta: 303.0MB). Free memory was 171.2MB in the beginning and 215.8MB in the end (delta: -44.6MB). Peak memory consumption was 259.2MB. Max. memory is 8.0GB. [2024-11-01 19:19:36,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory was 170.6MB in the beginning and 170.5MB in the end (delta: 113.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1601.21ms. Allocated memory was 195.0MB in the beginning and 253.8MB in the end (delta: 58.7MB). Free memory was 163.2MB in the beginning and 162.2MB in the end (delta: 1.0MB). Peak memory consumption was 110.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 120.57ms. Allocated memory is still 253.8MB. Free memory was 162.2MB in the beginning and 154.9MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 195.47ms. Allocated memory is still 253.8MB. Free memory was 154.9MB in the beginning and 126.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * RCFGBuilder took 16696.72ms. Allocated memory is still 253.8MB. Free memory was 126.6MB in the beginning and 172.3MB in the end (delta: -45.7MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 73568.55ms. Allocated memory was 253.8MB in the beginning and 556.8MB in the end (delta: 303.0MB). Free memory was 171.2MB in the beginning and 215.8MB in the end (delta: -44.6MB). Peak memory consumption was 259.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13) with exit command (exit)) Unexpected Exception while parsing No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13) with exit command (exit)) Unexpected Exception while parsing No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-01 19:19:36,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...