/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:27:13,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:27:14,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 11:27:14,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:27:14,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:27:14,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:27:14,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:27:14,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:27:14,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:27:14,065 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:27:14,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:27:14,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:27:14,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:27:14,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:27:14,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:27:14,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:27:14,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:27:14,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:27:14,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:27:14,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:27:14,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:27:14,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:27:14,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:27:14,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:27:14,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:27:14,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:27:14,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:27:14,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:27:14,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:27:14,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:27:14,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:27:14,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:27:14,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:27:14,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:27:14,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:27:14,078 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:27:14,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:27:14,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:27:14,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:27:14,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:27:14,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:27:14,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:27:14,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:27:14,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:27:14,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:27:14,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:27:14,385 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:27:14,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-05 11:27:15,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:27:16,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:27:16,317 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-05 11:27:16,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6518cf1ec/9231d98bc1f640bd9f9eb8651f3c9052/FLAG1a270bca1 [2024-11-05 11:27:16,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6518cf1ec/9231d98bc1f640bd9f9eb8651f3c9052 [2024-11-05 11:27:16,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:27:16,510 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:27:16,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:27:16,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:27:16,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:27:16,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:27:16" (1/1) ... [2024-11-05 11:27:16,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a850a62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:16, skipping insertion in model container [2024-11-05 11:27:16,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:27:16" (1/1) ... [2024-11-05 11:27:16,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:27:17,167 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,176 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,207 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,208 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,212 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,214 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,224 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i[73128,73141] [2024-11-05 11:27:17,393 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:27:17,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:27:17,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:27:17,562 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i[73128,73141] [2024-11-05 11:27:17,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:27:17,671 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:27:17,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17 WrapperNode [2024-11-05 11:27:17,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:27:17,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:27:17,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:27:17,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:27:17,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,799 INFO L138 Inliner]: procedures = 106, calls = 348, calls flagged for inlining = 40, calls inlined = 32, statements flattened = 771 [2024-11-05 11:27:17,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:27:17,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:27:17,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:27:17,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:27:17,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,921 INFO L175 MemorySlicer]: Split 228 memory accesses to 6 slices as follows [2, 103, 12, 65, 14, 32]. 45 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0, 0, 0]. The 204 writes are split as follows [0, 93, 12, 65, 2, 32]. [2024-11-05 11:27:17,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:17,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:18,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:27:18,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:27:18,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:27:18,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:27:18,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (1/1) ... [2024-11-05 11:27:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:27:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:27:18,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 11:27:18,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 11:27:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2024-11-05 11:27:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:27:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 11:27:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 11:27:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-05 11:27:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-05 11:27:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:27:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:27:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2024-11-05 11:27:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:27:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 11:27:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-05 11:27:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-05 11:27:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:27:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 11:27:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2024-11-05 11:27:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:27:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-05 11:27:18,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:27:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:27:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:27:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:27:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:27:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-05 11:27:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-05 11:27:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-05 11:27:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-05 11:27:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:27:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:27:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-05 11:27:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-05 11:27:18,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:27:18,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:27:30,718 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2024-11-05 11:27:30,718 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:27:30,741 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:27:30,741 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:27:30,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:27:30 BoogieIcfgContainer [2024-11-05 11:27:30,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:27:30,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:27:30,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:27:30,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:27:30,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:27:16" (1/3) ... [2024-11-05 11:27:30,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7620e0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:27:30, skipping insertion in model container [2024-11-05 11:27:30,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:27:17" (2/3) ... [2024-11-05 11:27:30,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7620e0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:27:30, skipping insertion in model container [2024-11-05 11:27:30,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:27:30" (3/3) ... [2024-11-05 11:27:30,750 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-05 11:27:30,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:27:30,767 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:27:30,848 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:27:30,856 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;@4999ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:27:30,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:27:30,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 140 states have (on average 1.3714285714285714) internal successors, (192), 148 states have internal predecessors, (192), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-05 11:27:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-05 11:27:30,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:27:30,876 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:27:30,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:27:30,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:27:30,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1457130019, now seen corresponding path program 1 times [2024-11-05 11:27:30,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:27:30,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950516795] [2024-11-05 11:27:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:27:30,894 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:27:30,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:27:30,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:27:30,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:27:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:27:34,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:27:34,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:27:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:27:34,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:27:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:27:35,154 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:27:35,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950516795] [2024-11-05 11:27:35,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [950516795] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:27:35,155 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:27:35,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 11:27:35,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621707514] [2024-11-05 11:27:35,157 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:27:35,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:27:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:27:35,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:27:35,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:27:35,183 INFO L87 Difference]: Start difference. First operand has 182 states, 140 states have (on average 1.3714285714285714) internal successors, (192), 148 states have internal predecessors, (192), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:27:39,302 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 [] [2024-11-05 11:27:40,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-05 11:27:45,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:27:45,050 INFO L93 Difference]: Finished difference Result 676 states and 964 transitions. [2024-11-05 11:27:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:27:45,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-05 11:27:45,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:27:45,065 INFO L225 Difference]: With dead ends: 676 [2024-11-05 11:27:45,065 INFO L226 Difference]: Without dead ends: 493 [2024-11-05 11:27:45,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:27:45,072 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 594 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-05 11:27:45,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 624 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2024-11-05 11:27:45,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-05 11:27:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 485. [2024-11-05 11:27:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 379 states have (on average 1.353562005277045) internal successors, (513), 387 states have internal predecessors, (513), 75 states have call successors, (75), 31 states have call predecessors, (75), 30 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-05 11:27:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 657 transitions. [2024-11-05 11:27:45,154 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 657 transitions. Word has length 15 [2024-11-05 11:27:45,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:27:45,155 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 657 transitions. [2024-11-05 11:27:45,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:27:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 657 transitions. [2024-11-05 11:27:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-05 11:27:45,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:27:45,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:27:45,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:27:45,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:27:45,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:27:45,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:27:45,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1586811989, now seen corresponding path program 1 times [2024-11-05 11:27:45,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:27:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424883845] [2024-11-05 11:27:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:27:45,360 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:27:45,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:27:45,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:27:45,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:27:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:27:47,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:27:47,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:27:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:27:49,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:27:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:27:51,576 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:27:51,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424883845] [2024-11-05 11:27:51,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [424883845] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:27:51,576 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:27:51,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:27:51,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346659396] [2024-11-05 11:27:51,577 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:27:51,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:27:51,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:27:51,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:27:51,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:27:51,580 INFO L87 Difference]: Start difference. First operand 485 states and 657 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:27:55,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:27:56,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:27:56,176 INFO L93 Difference]: Finished difference Result 487 states and 658 transitions. [2024-11-05 11:27:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:27:56,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-05 11:27:56,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:27:56,180 INFO L225 Difference]: With dead ends: 487 [2024-11-05 11:27:56,180 INFO L226 Difference]: Without dead ends: 484 [2024-11-05 11:27:56,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:27:56,182 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 220 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:27:56,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-05 11:27:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-05 11:27:56,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2024-11-05 11:27:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 379 states have (on average 1.3509234828496042) internal successors, (512), 386 states have internal predecessors, (512), 74 states have call successors, (74), 31 states have call predecessors, (74), 30 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-05 11:27:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 655 transitions. [2024-11-05 11:27:56,223 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 655 transitions. Word has length 18 [2024-11-05 11:27:56,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:27:56,223 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 655 transitions. [2024-11-05 11:27:56,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:27:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 655 transitions. [2024-11-05 11:27:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-05 11:27:56,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:27:56,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:27:56,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 11:27:56,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:27:56,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:27:56,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:27:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1946413297, now seen corresponding path program 1 times [2024-11-05 11:27:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:27:56,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089407947] [2024-11-05 11:27:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:27:56,432 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:27:56,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:27:56,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:27:56,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:27:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:27:58,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:27:58,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:28:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:01,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:28:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:04,242 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:28:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089407947] [2024-11-05 11:28:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2089407947] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:28:04,243 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:28:04,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:28:04,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379939647] [2024-11-05 11:28:04,243 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:28:04,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:28:04,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:28:04,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:28:04,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:04,244 INFO L87 Difference]: Start difference. First operand 484 states and 655 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:28:08,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:28:08,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:28:08,614 INFO L93 Difference]: Finished difference Result 486 states and 656 transitions. [2024-11-05 11:28:08,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:28:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-05 11:28:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:28:08,622 INFO L225 Difference]: With dead ends: 486 [2024-11-05 11:28:08,623 INFO L226 Difference]: Without dead ends: 483 [2024-11-05 11:28:08,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:08,625 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 217 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-05 11:28:08,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 232 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-05 11:28:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-05 11:28:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2024-11-05 11:28:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 379 states have (on average 1.3482849604221636) internal successors, (511), 385 states have internal predecessors, (511), 73 states have call successors, (73), 31 states have call predecessors, (73), 30 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-05 11:28:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 653 transitions. [2024-11-05 11:28:08,666 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 653 transitions. Word has length 19 [2024-11-05 11:28:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:28:08,666 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 653 transitions. [2024-11-05 11:28:08,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:28:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 653 transitions. [2024-11-05 11:28:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-05 11:28:08,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:28:08,668 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:28:08,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 11:28:08,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:08,869 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:28:08,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:28:08,870 INFO L85 PathProgramCache]: Analyzing trace with hash 209156824, now seen corresponding path program 1 times [2024-11-05 11:28:08,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:28:08,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793540676] [2024-11-05 11:28:08,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:28:08,870 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:28:08,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:08,872 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:28:08,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:28:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:28:11,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:28:11,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:28:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:14,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:28:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:17,660 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:28:17,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793540676] [2024-11-05 11:28:17,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1793540676] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:28:17,660 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:28:17,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:28:17,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939046080] [2024-11-05 11:28:17,660 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:28:17,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:28:17,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:28:17,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:28:17,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:17,662 INFO L87 Difference]: Start difference. First operand 483 states and 653 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:28:21,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:28:22,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:28:22,324 INFO L93 Difference]: Finished difference Result 496 states and 661 transitions. [2024-11-05 11:28:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:28:22,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-05 11:28:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:28:22,328 INFO L225 Difference]: With dead ends: 496 [2024-11-05 11:28:22,328 INFO L226 Difference]: Without dead ends: 492 [2024-11-05 11:28:22,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:22,331 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 179 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:28:22,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 261 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-05 11:28:22,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-05 11:28:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 490. [2024-11-05 11:28:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 385 states have (on average 1.3324675324675326) internal successors, (513), 389 states have internal predecessors, (513), 71 states have call successors, (71), 34 states have call predecessors, (71), 33 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-05 11:28:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 653 transitions. [2024-11-05 11:28:22,367 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 653 transitions. Word has length 20 [2024-11-05 11:28:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:28:22,367 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 653 transitions. [2024-11-05 11:28:22,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:28:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 653 transitions. [2024-11-05 11:28:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-05 11:28:22,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:28:22,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:28:22,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:28:22,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:22,570 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:28:22,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:28:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2106181420, now seen corresponding path program 1 times [2024-11-05 11:28:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:28:22,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922224598] [2024-11-05 11:28:22,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:28:22,571 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:28:22,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:22,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:28:22,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:28:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:28:24,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:28:24,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:28:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:28,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:28:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:32,476 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:28:32,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922224598] [2024-11-05 11:28:32,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1922224598] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:28:32,476 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:28:32,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:28:32,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899077927] [2024-11-05 11:28:32,477 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:28:32,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:28:32,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:28:32,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:28:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:32,478 INFO L87 Difference]: Start difference. First operand 490 states and 653 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:28:36,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:28:36,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:28:36,592 INFO L93 Difference]: Finished difference Result 492 states and 654 transitions. [2024-11-05 11:28:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:28:36,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-05 11:28:36,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:28:36,810 INFO L225 Difference]: With dead ends: 492 [2024-11-05 11:28:36,810 INFO L226 Difference]: Without dead ends: 482 [2024-11-05 11:28:36,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:36,811 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 209 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-05 11:28:36,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-05 11:28:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-05 11:28:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 325. [2024-11-05 11:28:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 255 states have (on average 1.3254901960784313) internal successors, (338), 257 states have internal predecessors, (338), 47 states have call successors, (47), 23 states have call predecessors, (47), 22 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-05 11:28:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 431 transitions. [2024-11-05 11:28:36,840 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 431 transitions. Word has length 21 [2024-11-05 11:28:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:28:36,841 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 431 transitions. [2024-11-05 11:28:36,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 11:28:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 431 transitions. [2024-11-05 11:28:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-05 11:28:36,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:28:36,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:28:36,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Ended with exit code 0 [2024-11-05 11:28:37,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:37,045 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:28:37,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:28:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash -361933504, now seen corresponding path program 1 times [2024-11-05 11:28:37,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:28:37,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298756317] [2024-11-05 11:28:37,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:28:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:28:37,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:37,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:28:37,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:28:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:28:39,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:28:39,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:28:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:41,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:28:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 11:28:44,171 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:28:44,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298756317] [2024-11-05 11:28:44,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1298756317] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:28:44,171 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:28:44,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:28:44,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083245993] [2024-11-05 11:28:44,172 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:28:44,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:28:44,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:28:44,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:28:44,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:44,175 INFO L87 Difference]: Start difference. First operand 325 states and 431 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:28:45,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:28:45,982 INFO L93 Difference]: Finished difference Result 835 states and 1114 transitions. [2024-11-05 11:28:45,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:28:45,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 42 [2024-11-05 11:28:45,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:28:45,986 INFO L225 Difference]: With dead ends: 835 [2024-11-05 11:28:45,986 INFO L226 Difference]: Without dead ends: 513 [2024-11-05 11:28:45,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:28:45,988 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 126 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-05 11:28:45,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 424 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-05 11:28:45,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-05 11:28:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2024-11-05 11:28:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 415 states have (on average 1.3373493975903614) internal successors, (555), 419 states have internal predecessors, (555), 65 states have call successors, (65), 33 states have call predecessors, (65), 32 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-05 11:28:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 684 transitions. [2024-11-05 11:28:46,027 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 684 transitions. Word has length 42 [2024-11-05 11:28:46,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:28:46,028 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 684 transitions. [2024-11-05 11:28:46,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-05 11:28:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 684 transitions. [2024-11-05 11:28:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-05 11:28:46,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:28:46,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:28:46,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:28:46,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:46,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:28:46,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:28:46,235 INFO L85 PathProgramCache]: Analyzing trace with hash 999253211, now seen corresponding path program 1 times [2024-11-05 11:28:46,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:28:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292763565] [2024-11-05 11:28:46,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:28:46,236 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:28:46,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:28:46,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:28:46,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:28:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:28:49,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:28:49,286 INFO L278 TraceCheckSpWp]: Computing forward predicates...