/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -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 05:44:54,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 05:44:54,373 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 05:44:54,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 05:44:54,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 05:44:54,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 05:44:54,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 05:44:54,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 05:44:54,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 05:44:54,395 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 05:44:54,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 05:44:54,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 05:44:54,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 05:44:54,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 05:44:54,396 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 05:44:54,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 05:44:54,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 05:44:54,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 05:44:54,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 05:44:54,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 05:44:54,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 05:44:54,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 05:44:54,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 05:44:54,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 05:44:54,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 05:44:54,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 05:44:54,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 05:44:54,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 05:44:54,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 05:44:54,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 05:44:54,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 05:44:54,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:44:54,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 05:44:54,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 05:44:54,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 05:44:54,401 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 05:44:54,401 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 05:44:54,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 05:44:54,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 05:44:54,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 05:44:54,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 05:44:54,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:44:54,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 05:44:54,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 05:44:54,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 05:44:54,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 05:44:54,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 05:44:54,650 INFO L431 ainManager$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 05:44:55,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 05:44:56,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 05:44:56,258 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 05:44:56,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b46cf536/b627869111c6465183bf23249ab91b35/FLAG950029c02 [2024-11-05 05:44:56,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b46cf536/b627869111c6465183bf23249ab91b35 [2024-11-05 05:44:56,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 05:44:56,533 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 05:44:56,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 05:44:56,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 05:44:56,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 05:44:56,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:44:56" (1/1) ... [2024-11-05 05:44:56,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630cdcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:56, skipping insertion in model container [2024-11-05 05:44:56,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:44:56" (1/1) ... [2024-11-05 05:44:56,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 05:44:57,060 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 05:44:57,065 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 05:44:57,084 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 05:44:57,086 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 05:44:57,087 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 05:44:57,088 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 05:44:57,095 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 05:44:57,096 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 05:44:57,097 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 05:44:57,107 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 05:44:57,147 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 05:44:57,239 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 05:44:57,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:44:57,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 05:44:57,377 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 05:44:57,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 05:44:57,503 INFO L204 MainTranslator]: Completed translation [2024-11-05 05:44:57,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57 WrapperNode [2024-11-05 05:44:57,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 05:44:57,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 05:44:57,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 05:44:57,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 05:44:57,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,586 INFO L138 Inliner]: procedures = 106, calls = 348, calls flagged for inlining = 40, calls inlined = 32, statements flattened = 771 [2024-11-05 05:44:57,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 05:44:57,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 05:44:57,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 05:44:57,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 05:44:57,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,675 INFO L175 MemorySlicer]: Split 228 memory accesses to 6 slices as follows [2, 103, 12, 14, 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, 12, 2, 65, 32]. [2024-11-05 05:44:57,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 05:44:57,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 05:44:57,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 05:44:57,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 05:44:57,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (1/1) ... [2024-11-05 05:44:57,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 05:44:57,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 05:44:57,769 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 05:44:57,771 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 05:44:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2024-11-05 05:44:57,791 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 05:44:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-05 05:44:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-05 05:44:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 05:44:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2024-11-05 05:44:57,792 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 05:44:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 05:44:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-05 05:44:57,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 05:44:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 05:44:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2024-11-05 05:44:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 05:44:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-05 05:44:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 05:44:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-05 05:44:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-05 05:44:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-05 05:44:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2024-11-05 05:44:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 05:44:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 05:44:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-05 05:44:57,798 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-05 05:44:58,015 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 05:44:58,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 05:45:10,235 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2024-11-05 05:45:10,235 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 05:45:10,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 05:45:10,254 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 05:45:10,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:45:10 BoogieIcfgContainer [2024-11-05 05:45:10,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 05:45:10,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 05:45:10,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 05:45:10,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 05:45:10,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:44:56" (1/3) ... [2024-11-05 05:45:10,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26126e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:45:10, skipping insertion in model container [2024-11-05 05:45:10,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:44:57" (2/3) ... [2024-11-05 05:45:10,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26126e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:45:10, skipping insertion in model container [2024-11-05 05:45:10,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:45:10" (3/3) ... [2024-11-05 05:45:10,265 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2024-11-05 05:45:10,279 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 05:45:10,280 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 05:45:10,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 05:45:10,356 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;@5fff12f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 05:45:10,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 05:45:10,360 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 05:45:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-05 05:45:10,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:45:10,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:45:10,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:45:10,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:45:10,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1457130019, now seen corresponding path program 1 times [2024-11-05 05:45:10,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:45:10,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707522042] [2024-11-05 05:45:10,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:45:10,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:45:10,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:45:10,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 05:45:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:45:13,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:45:13,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:45:13,977 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 05:45:13,977 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:45:14,637 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 05:45:14,638 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:45:14,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707522042] [2024-11-05 05:45:14,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1707522042] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:45:14,641 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:45:14,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-05 05:45:14,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100459080] [2024-11-05 05:45:14,643 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:45:14,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 05:45:14,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:45:14,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 05:45:14,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 05:45:14,674 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 05:45:18,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:45:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:45:23,261 INFO L93 Difference]: Finished difference Result 676 states and 964 transitions. [2024-11-05 05:45:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 05:45:23,263 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 05:45:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:45:23,275 INFO L225 Difference]: With dead ends: 676 [2024-11-05 05:45:23,275 INFO L226 Difference]: Without dead ends: 493 [2024-11-05 05:45:23,278 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 05:45:23,280 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 594 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s 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, 8.5s IncrementalHoareTripleChecker+Time [2024-11-05 05:45:23,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 624 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2024-11-05 05:45:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-05 05:45:23,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 485. [2024-11-05 05:45:23,336 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 05:45:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 657 transitions. [2024-11-05 05:45:23,341 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 657 transitions. Word has length 15 [2024-11-05 05:45:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:45:23,341 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 657 transitions. [2024-11-05 05:45:23,342 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 05:45:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 657 transitions. [2024-11-05 05:45:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-05 05:45:23,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:45:23,346 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 05:45:23,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 05:45:23,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:23,547 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:45:23,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:45:23,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1586811989, now seen corresponding path program 1 times [2024-11-05 05:45:23,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:45:23,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956027427] [2024-11-05 05:45:23,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:45:23,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:23,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:45:23,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:45:23,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 05:45:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:45:26,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:45:26,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:45:26,343 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 05:45:26,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:45:26,451 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 05:45:26,452 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:45:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956027427] [2024-11-05 05:45:26,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [956027427] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:45:26,452 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:45:26,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:45:26,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963969759] [2024-11-05 05:45:26,452 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:45:26,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:45:26,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:45:26,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:45:26,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:45:26,454 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 05:45:26,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:45:26,777 INFO L93 Difference]: Finished difference Result 507 states and 683 transitions. [2024-11-05 05:45:26,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:45:26,778 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 05:45:26,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:45:26,780 INFO L225 Difference]: With dead ends: 507 [2024-11-05 05:45:26,780 INFO L226 Difference]: Without dead ends: 496 [2024-11-05 05:45:26,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:45:26,782 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 232 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 05:45:26,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 262 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-05 05:45:26,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-05 05:45:26,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 485. [2024-11-05 05:45:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 379 states have (on average 1.3509234828496042) internal successors, (512), 387 states have internal predecessors, (512), 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 05:45:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 656 transitions. [2024-11-05 05:45:26,824 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 656 transitions. Word has length 18 [2024-11-05 05:45:26,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:45:26,824 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 656 transitions. [2024-11-05 05:45:26,824 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 05:45:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 656 transitions. [2024-11-05 05:45:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-05 05:45:26,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:45:26,825 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 05:45:26,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 05:45:27,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:27,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:45:27,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:45:27,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1644070291, now seen corresponding path program 1 times [2024-11-05 05:45:27,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:45:27,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540154037] [2024-11-05 05:45:27,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:45:27,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:27,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:45:27,029 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:45:27,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 05:45:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:45:29,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:45:29,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:45:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 05:45:31,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:45:32,877 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 05:45:32,877 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:45:32,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540154037] [2024-11-05 05:45:32,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1540154037] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:45:32,878 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:45:32,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:45:32,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766784355] [2024-11-05 05:45:32,878 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:45:32,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:45:32,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:45:32,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:45:32,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:45:32,879 INFO L87 Difference]: Start difference. First operand 485 states and 656 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 05:45:36,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:45:37,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:45:37,429 INFO L93 Difference]: Finished difference Result 487 states and 657 transitions. [2024-11-05 05:45:37,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:45:37,430 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 05:45:37,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:45:37,432 INFO L225 Difference]: With dead ends: 487 [2024-11-05 05:45:37,432 INFO L226 Difference]: Without dead ends: 484 [2024-11-05 05:45:37,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:45:37,434 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 220 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-11-05 05:45:37,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-05 05:45:37,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-05 05:45:37,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2024-11-05 05:45:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 379 states have (on average 1.3482849604221636) internal successors, (511), 386 states have internal predecessors, (511), 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 05:45:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 654 transitions. [2024-11-05 05:45:37,462 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 654 transitions. Word has length 18 [2024-11-05 05:45:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:45:37,463 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 654 transitions. [2024-11-05 05:45:37,463 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 05:45:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 654 transitions. [2024-11-05 05:45:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-05 05:45:37,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:45:37,464 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 05:45:37,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 05:45:37,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:37,665 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:45:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:45:37,666 INFO L85 PathProgramCache]: Analyzing trace with hash -573546637, now seen corresponding path program 1 times [2024-11-05 05:45:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:45:37,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022576394] [2024-11-05 05:45:37,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:45:37,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:37,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:45:37,669 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:45:37,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 05:45:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:45:40,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:45:40,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:45:42,318 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 05:45:42,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:45:44,303 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 05:45:44,303 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:45:44,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022576394] [2024-11-05 05:45:44,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2022576394] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:45:44,303 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:45:44,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:45:44,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481281488] [2024-11-05 05:45:44,304 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:45:44,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:45:44,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:45:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:45:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:45:44,304 INFO L87 Difference]: Start difference. First operand 484 states and 654 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 05:45:48,723 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 [] [2024-11-05 05:45:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:45:48,852 INFO L93 Difference]: Finished difference Result 486 states and 655 transitions. [2024-11-05 05:45:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:45:48,855 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 05:45:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:45:48,858 INFO L225 Difference]: With dead ends: 486 [2024-11-05 05:45:48,858 INFO L226 Difference]: Without dead ends: 483 [2024-11-05 05:45:48,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 05:45:48,862 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 217 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-11-05 05:45:48,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 232 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-05 05:45:48,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-05 05:45:48,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2024-11-05 05:45:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 379 states have (on average 1.345646437994723) internal successors, (510), 385 states have internal predecessors, (510), 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 05:45:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 652 transitions. [2024-11-05 05:45:48,887 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 652 transitions. Word has length 19 [2024-11-05 05:45:48,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:45:48,887 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 652 transitions. [2024-11-05 05:45:48,888 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 05:45:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 652 transitions. [2024-11-05 05:45:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-05 05:45:48,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:45:48,890 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 05:45:48,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-05 05:45:49,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:49,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:45:49,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:45:49,096 INFO L85 PathProgramCache]: Analyzing trace with hash -600189802, now seen corresponding path program 1 times [2024-11-05 05:45:49,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:45:49,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106209319] [2024-11-05 05:45:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:45:49,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:45:49,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:45:49,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:45:49,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 05:45:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:45:51,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:45:51,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:45:54,453 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 05:45:54,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:45:56,963 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 05:45:56,964 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:45:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106209319] [2024-11-05 05:45:56,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1106209319] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:45:56,964 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:45:56,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:45:56,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569284078] [2024-11-05 05:45:56,964 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:45:56,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:45:56,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:45:56,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:45:56,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:45:56,965 INFO L87 Difference]: Start difference. First operand 483 states and 652 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 05:46:01,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:46:01,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:46:01,636 INFO L93 Difference]: Finished difference Result 496 states and 660 transitions. [2024-11-05 05:46:01,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:46:01,637 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 05:46:01,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:46:01,640 INFO L225 Difference]: With dead ends: 496 [2024-11-05 05:46:01,640 INFO L226 Difference]: Without dead ends: 492 [2024-11-05 05:46:01,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 05:46:01,641 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 179 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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 05:46:01,641 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 05:46:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-05 05:46:01,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 490. [2024-11-05 05:46:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 385 states have (on average 1.3298701298701299) internal successors, (512), 389 states have internal predecessors, (512), 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 05:46:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 652 transitions. [2024-11-05 05:46:01,667 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 652 transitions. Word has length 20 [2024-11-05 05:46:01,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:46:01,667 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 652 transitions. [2024-11-05 05:46:01,667 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 05:46:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 652 transitions. [2024-11-05 05:46:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-05 05:46:01,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:46:01,668 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, 1] [2024-11-05 05:46:01,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-05 05:46:01,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:01,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:46:01,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:46:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1426123050, now seen corresponding path program 1 times [2024-11-05 05:46:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:46:01,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773970155] [2024-11-05 05:46:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:46:01,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:01,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:46:01,871 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:46:01,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 05:46:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:46:04,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:46:04,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:46:07,225 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 05:46:07,225 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:46:09,940 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 05:46:09,940 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:46:09,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773970155] [2024-11-05 05:46:09,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1773970155] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:46:09,941 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:46:09,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:46:09,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499765024] [2024-11-05 05:46:09,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:46:09,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:46:09,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:46:09,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:46:09,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:46:09,942 INFO L87 Difference]: Start difference. First operand 490 states and 652 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 05:46:14,014 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 [] [2024-11-05 05:46:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:46:14,031 INFO L93 Difference]: Finished difference Result 492 states and 653 transitions. [2024-11-05 05:46:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:46:14,250 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 05:46:14,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:46:14,252 INFO L225 Difference]: With dead ends: 492 [2024-11-05 05:46:14,252 INFO L226 Difference]: Without dead ends: 482 [2024-11-05 05:46:14,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 05:46:14,253 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 05:46:14,255 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 05:46:14,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-05 05:46:14,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 325. [2024-11-05 05:46:14,274 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 05:46:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 431 transitions. [2024-11-05 05:46:14,276 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 431 transitions. Word has length 21 [2024-11-05 05:46:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:46:14,276 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 431 transitions. [2024-11-05 05:46:14,276 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 05:46:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 431 transitions. [2024-11-05 05:46:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-05 05:46:14,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:46:14,277 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 05:46:14,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-05 05:46:14,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:14,478 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:46:14,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:46:14,479 INFO L85 PathProgramCache]: Analyzing trace with hash -361933504, now seen corresponding path program 1 times [2024-11-05 05:46:14,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:46:14,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711044604] [2024-11-05 05:46:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:46:14,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:14,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:46:14,480 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:46:14,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-05 05:46:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:46:17,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 05:46:17,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:46:18,247 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 05:46:18,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:46:20,864 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 05:46:20,864 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:46:20,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711044604] [2024-11-05 05:46:20,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1711044604] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:46:20,865 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:46:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:46:20,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183027058] [2024-11-05 05:46:20,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:46:20,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:46:20,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:46:20,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:46:20,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:46:20,867 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 05:46:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:46:22,252 INFO L93 Difference]: Finished difference Result 835 states and 1114 transitions. [2024-11-05 05:46:22,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:46:22,255 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 05:46:22,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:46:22,261 INFO L225 Difference]: With dead ends: 835 [2024-11-05 05:46:22,261 INFO L226 Difference]: Without dead ends: 513 [2024-11-05 05:46:22,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 05:46:22,263 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 126 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-05 05:46:22,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 424 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-05 05:46:22,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-05 05:46:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2024-11-05 05:46:22,293 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 05:46:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 684 transitions. [2024-11-05 05:46:22,296 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 684 transitions. Word has length 42 [2024-11-05 05:46:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:46:22,296 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 684 transitions. [2024-11-05 05:46:22,296 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 05:46:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 684 transitions. [2024-11-05 05:46:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-05 05:46:22,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 05:46:22,299 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] [2024-11-05 05:46:22,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-05 05:46:22,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:22,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 05:46:22,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 05:46:22,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1718696462, now seen corresponding path program 1 times [2024-11-05 05:46:22,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 05:46:22,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814451115] [2024-11-05 05:46:22,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 05:46:22,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:22,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 05:46:22,501 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 05:46:22,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-05 05:46:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 05:46:25,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 05:46:25,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 05:46:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 05:46:27,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 05:46:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 05:46:31,340 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 05:46:31,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814451115] [2024-11-05 05:46:31,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [814451115] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 05:46:31,341 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 05:46:31,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 05:46:31,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722702320] [2024-11-05 05:46:31,341 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 05:46:31,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 05:46:31,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 05:46:31,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 05:46:31,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 05:46:31,342 INFO L87 Difference]: Start difference. First operand 513 states and 684 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 05:46:35,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 05:46:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 05:46:35,918 INFO L93 Difference]: Finished difference Result 513 states and 684 transitions. [2024-11-05 05:46:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 05:46:35,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-11-05 05:46:35,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 05:46:35,919 INFO L225 Difference]: With dead ends: 513 [2024-11-05 05:46:35,919 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 05:46:35,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 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 05:46:35,921 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 19 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-05 05:46:35,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 397 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-05 05:46:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 05:46:35,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 05:46:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 05:46:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 05:46:35,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2024-11-05 05:46:35,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 05:46:35,922 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 05:46:35,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-05 05:46:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 05:46:35,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 05:46:35,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 05:46:35,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-05 05:46:36,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 05:46:36,129 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 05:46:36,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.