/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 'cvc5 --incremental --print-success --lang smt' -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 [2024-11-04 23:56:08,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 23:56:08,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 23:56:08,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 23:56:08,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 23:56:08,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 23:56:08,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 23:56:08,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 23:56:08,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 23:56:08,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 23:56:08,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 23:56:08,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 23:56:08,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 23:56:08,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 23:56:08,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 23:56:08,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 23:56:08,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 23:56:08,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 23:56:08,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 23:56:08,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 23:56:08,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 23:56:08,596 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 23:56:08,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 23:56:08,597 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 23:56:08,597 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 23:56:08,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 23:56:08,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 23:56:08,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 23:56:08,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 23:56:08,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 23:56:08,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 23:56:08,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 23:56:08,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 23:56:08,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 23:56:08,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 23:56:08,599 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 23:56:08,599 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 23:56:08,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 23:56:08,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 23:56:08,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 23:56:08,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 23:56:08,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:08,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 23:56:08,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 23:56:08,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 23:56:08,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 23:56:08,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 23:56:08,797 INFO L431 ainManager$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 [2024-11-04 23:56:10,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 23:56:10,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 23:56:10,461 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 [2024-11-04 23:56:10,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32202fb1e/7c904ec3ecd24ecc82535945dfe3739b/FLAGcaf0ede3b [2024-11-04 23:56:10,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32202fb1e/7c904ec3ecd24ecc82535945dfe3739b [2024-11-04 23:56:10,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 23:56:10,505 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 23:56:10,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 23:56:10,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 23:56:10,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 23:56:10,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:56:10" (1/1) ... [2024-11-04 23:56:10,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8df8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:10, skipping insertion in model container [2024-11-04 23:56:10,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:56:10" (1/1) ... [2024-11-04 23:56:10,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 23:56:11,003 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,012 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,030 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,033 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,034 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,035 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,036 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,039 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,046 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,074 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] [2024-11-04 23:56:11,142 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:56:11,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 23:56:11,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 23:56:11,271 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] [2024-11-04 23:56:11,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 23:56:11,330 INFO L204 MainTranslator]: Completed translation [2024-11-04 23:56:11,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11 WrapperNode [2024-11-04 23:56:11,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 23:56:11,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 23:56:11,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 23:56:11,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 23:56:11,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,419 INFO L138 Inliner]: procedures = 106, calls = 348, calls flagged for inlining = 40, calls inlined = 32, statements flattened = 771 [2024-11-04 23:56:11,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 23:56:11,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 23:56:11,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 23:56:11,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 23:56:11,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,508 INFO L175 MemorySlicer]: Split 228 memory accesses to 6 slices as follows [2, 103, 14, 12, 65, 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, 2, 12, 65, 32]. [2024-11-04 23:56:11,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 23:56:11,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 23:56:11,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 23:56:11,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 23:56:11,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (1/1) ... [2024-11-04 23:56:11,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 23:56:11,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 23:56:11,625 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) [2024-11-04 23:56:11,633 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 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2024-11-04 23:56:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 23:56:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 23:56:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 23:56:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-04 23:56:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-04 23:56:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2024-11-04 23:56:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 23:56:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 23:56:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 23:56:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 23:56:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 23:56:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 23:56:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-04 23:56:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-04 23:56:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 23:56:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 23:56:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 23:56:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 23:56:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 23:56:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 23:56:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 23:56:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 23:56:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 23:56:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 23:56:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 23:56:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2024-11-04 23:56:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-04 23:56:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 23:56:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 23:56:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 23:56:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 23:56:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 23:56:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 23:56:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-04 23:56:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-04 23:56:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-04 23:56:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-04 23:56:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 23:56:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 23:56:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-04 23:56:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-04 23:56:11,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 23:56:11,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 23:56:23,799 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2024-11-04 23:56:23,800 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 23:56:23,819 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 23:56:23,820 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 23:56:23,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:56:23 BoogieIcfgContainer [2024-11-04 23:56:23,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 23:56:23,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 23:56:23,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 23:56:23,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 23:56:23,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 11:56:10" (1/3) ... [2024-11-04 23:56:23,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3246928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:56:23, skipping insertion in model container [2024-11-04 23:56:23,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:56:11" (2/3) ... [2024-11-04 23:56:23,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3246928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:56:23, skipping insertion in model container [2024-11-04 23:56:23,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:56:23" (3/3) ... [2024-11-04 23:56:23,828 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-04 23:56:23,844 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 23:56:23,844 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 23:56:23,901 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 23:56:23,907 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;@847208e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 23:56:23,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 23:56:23,911 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) [2024-11-04 23:56:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-04 23:56:23,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:56:23,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:56:23,920 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:56:23,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:56:23,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1457130019, now seen corresponding path program 1 times [2024-11-04 23:56:23,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:56:23,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786808048] [2024-11-04 23:56:23,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:56:23,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:56:23,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:56:23,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 23:56:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:56:26,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:56:26,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:56:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:56:27,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:56:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:56:28,426 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:56:28,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786808048] [2024-11-04 23:56:28,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [786808048] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:56:28,426 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:56:28,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 23:56:28,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117021671] [2024-11-04 23:56:28,428 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:56:28,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:56:28,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:56:28,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:56:28,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:56:28,450 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 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-04 23:56:32,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 23:56:33,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-04 23:56:33,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:56:33,971 INFO L93 Difference]: Finished difference Result 358 states and 504 transitions. [2024-11-04 23:56:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:56:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 [2024-11-04 23:56:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:56:33,983 INFO L225 Difference]: With dead ends: 358 [2024-11-04 23:56:33,984 INFO L226 Difference]: Without dead ends: 175 [2024-11-04 23:56:33,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:56:33,990 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 227 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-04 23:56:33,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-04 23:56:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-04 23:56:34,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-04 23:56:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 136 states have (on average 1.3529411764705883) internal successors, (184), 141 states have internal predecessors, (184), 28 states have call successors, (28), 11 states have call predecessors, (28), 10 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-04 23:56:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 235 transitions. [2024-11-04 23:56:34,027 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 235 transitions. Word has length 15 [2024-11-04 23:56:34,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:56:34,027 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 235 transitions. [2024-11-04 23:56:34,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-04 23:56:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 235 transitions. [2024-11-04 23:56:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-04 23:56:34,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:56:34,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:56:34,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 23:56:34,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:34,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:56:34,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:56:34,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2073491561, now seen corresponding path program 1 times [2024-11-04 23:56:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:56:34,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159253053] [2024-11-04 23:56:34,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:56:34,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:34,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:56:34,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:56:34,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 23:56:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:56:36,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:56:36,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:56:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:56:38,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:56:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:56:40,441 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:56:40,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159253053] [2024-11-04 23:56:40,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [159253053] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:56:40,442 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:56:40,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 23:56:40,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009135016] [2024-11-04 23:56:40,442 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:56:40,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:56:40,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:56:40,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:56:40,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:56:40,444 INFO L87 Difference]: Start difference. First operand 175 states and 235 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-04 23:56:44,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 23:56:44,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:56:44,688 INFO L93 Difference]: Finished difference Result 177 states and 236 transitions. [2024-11-04 23:56:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:56:44,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 16 [2024-11-04 23:56:44,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:56:44,692 INFO L225 Difference]: With dead ends: 177 [2024-11-04 23:56:44,692 INFO L226 Difference]: Without dead ends: 174 [2024-11-04 23:56:44,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:56:44,693 INFO L432 NwaCegarLoop]: 232 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, 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-04 23:56:44,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 232 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-04 23:56:44,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-04 23:56:44,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-04 23:56:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 140 states have internal predecessors, (183), 27 states have call successors, (27), 11 states have call predecessors, (27), 10 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-04 23:56:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 233 transitions. [2024-11-04 23:56:44,710 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 233 transitions. Word has length 16 [2024-11-04 23:56:44,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:56:44,710 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 233 transitions. [2024-11-04 23:56:44,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-04 23:56:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 233 transitions. [2024-11-04 23:56:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-04 23:56:44,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:56:44,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:56:44,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 23:56:44,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:44,914 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:56:44,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:56:44,915 INFO L85 PathProgramCache]: Analyzing trace with hash -146384288, now seen corresponding path program 1 times [2024-11-04 23:56:44,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:56:44,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393663137] [2024-11-04 23:56:44,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:56:44,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:44,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:56:44,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:56:44,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 23:56:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:56:47,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 1252 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:56:47,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:56:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:56:49,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:56:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:56:52,161 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:56:52,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393663137] [2024-11-04 23:56:52,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [393663137] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:56:52,161 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:56:52,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 23:56:52,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953441355] [2024-11-04 23:56:52,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:56:52,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:56:52,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:56:52,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:56:52,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:56:52,163 INFO L87 Difference]: Start difference. First operand 174 states and 233 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-04 23:56:56,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 23:56:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:56:56,899 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2024-11-04 23:56:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:56:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 17 [2024-11-04 23:56:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:56:56,904 INFO L225 Difference]: With dead ends: 181 [2024-11-04 23:56:56,904 INFO L226 Difference]: Without dead ends: 177 [2024-11-04 23:56:56,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:56:56,906 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 182 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 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, 4.7s IncrementalHoareTripleChecker+Time [2024-11-04 23:56:56,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 261 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-04 23:56:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-04 23:56:56,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175. [2024-11-04 23:56:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 138 states have (on average 1.326086956521739) internal successors, (183), 140 states have internal predecessors, (183), 25 states have call successors, (25), 12 states have call predecessors, (25), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-04 23:56:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 231 transitions. [2024-11-04 23:56:56,922 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 231 transitions. Word has length 17 [2024-11-04 23:56:56,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:56:56,923 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 231 transitions. [2024-11-04 23:56:56,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-04 23:56:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2024-11-04 23:56:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-04 23:56:56,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:56:56,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:56:56,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-04 23:56:57,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:57,130 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:56:57,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:56:57,134 INFO L85 PathProgramCache]: Analyzing trace with hash -243054004, now seen corresponding path program 1 times [2024-11-04 23:56:57,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:56:57,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164747600] [2024-11-04 23:56:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:56:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:56:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:56:57,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:56:57,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 23:56:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:56:59,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:56:59,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:57:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:57:03,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:57:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:57:06,206 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:57:06,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164747600] [2024-11-04 23:57:06,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [164747600] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:57:06,207 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:57:06,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 23:57:06,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966335010] [2024-11-04 23:57:06,207 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:57:06,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:57:06,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:57:06,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:57:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:57:06,208 INFO L87 Difference]: Start difference. First operand 175 states and 231 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) [2024-11-04 23:57:10,286 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 [] [2024-11-04 23:57:10,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:57:10,297 INFO L93 Difference]: Finished difference Result 177 states and 232 transitions. [2024-11-04 23:57:10,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:57:10,905 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 [2024-11-04 23:57:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:57:10,907 INFO L225 Difference]: With dead ends: 177 [2024-11-04 23:57:10,907 INFO L226 Difference]: Without dead ends: 167 [2024-11-04 23:57:10,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:57:10,908 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 212 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 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 [2024-11-04 23:57:10,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-04 23:57:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-04 23:57:10,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-04 23:57:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 131 states have (on average 1.3282442748091603) internal successors, (174), 132 states have internal predecessors, (174), 24 states have call successors, (24), 12 states have call predecessors, (24), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-04 23:57:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 221 transitions. [2024-11-04 23:57:10,942 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 221 transitions. Word has length 18 [2024-11-04 23:57:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:57:10,942 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 221 transitions. [2024-11-04 23:57:10,942 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) [2024-11-04 23:57:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2024-11-04 23:57:10,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-04 23:57:10,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:57:10,952 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] [2024-11-04 23:57:10,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-04 23:57:11,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:57:11,153 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:57:11,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:57:11,154 INFO L85 PathProgramCache]: Analyzing trace with hash -361933504, now seen corresponding path program 1 times [2024-11-04 23:57:11,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:57:11,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496272615] [2024-11-04 23:57:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:57:11,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:57:11,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:57:11,158 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:57:11,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 23:57:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:57:13,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:57:13,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:57:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:57:15,064 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:57:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:57:18,274 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:57:18,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496272615] [2024-11-04 23:57:18,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1496272615] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:57:18,274 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:57:18,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-04 23:57:18,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473011759] [2024-11-04 23:57:18,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:57:18,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:57:18,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:57:18,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:57:18,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:57:18,276 INFO L87 Difference]: Start difference. First operand 167 states and 221 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) [2024-11-04 23:57:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:57:20,021 INFO L93 Difference]: Finished difference Result 427 states and 570 transitions. [2024-11-04 23:57:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:57:20,021 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 [2024-11-04 23:57:20,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:57:20,023 INFO L225 Difference]: With dead ends: 427 [2024-11-04 23:57:20,023 INFO L226 Difference]: Without dead ends: 263 [2024-11-04 23:57:20,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:57:20,025 INFO L432 NwaCegarLoop]: 221 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, 422 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-04 23:57:20,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 422 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-04 23:57:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-04 23:57:20,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2024-11-04 23:57:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 213 states have (on average 1.3427230046948357) internal successors, (286), 215 states have internal predecessors, (286), 33 states have call successors, (33), 17 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-04 23:57:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 351 transitions. [2024-11-04 23:57:20,044 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 351 transitions. Word has length 42 [2024-11-04 23:57:20,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:57:20,044 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 351 transitions. [2024-11-04 23:57:20,045 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) [2024-11-04 23:57:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 351 transitions. [2024-11-04 23:57:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-04 23:57:20,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:57:20,046 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] [2024-11-04 23:57:20,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-04 23:57:20,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:57:20,250 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:57:20,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:57:20,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1718696462, now seen corresponding path program 1 times [2024-11-04 23:57:20,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:57:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079265376] [2024-11-04 23:57:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:57:20,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:57:20,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:57:20,252 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:57:20,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-04 23:57:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:57:22,864 WARN L253 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 1002 conjuncts are in the unsatisfiable core [2024-11-04 23:57:22,933 INFO L278 TraceCheckSpWp]: Computing forward predicates...