/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0662b.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 13:58:47,322 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 13:58:47,387 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 13:58:47,393 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 13:58:47,393 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 13:58:47,426 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 13:58:47,426 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 13:58:47,427 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 13:58:47,427 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 13:58:47,429 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 13:58:47,429 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 13:58:47,430 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 13:58:47,430 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 13:58:47,430 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 13:58:47,431 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 13:58:47,431 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 13:58:47,431 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 13:58:47,431 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 13:58:47,432 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 13:58:47,432 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 13:58:47,432 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 13:58:47,433 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 13:58:47,433 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 13:58:47,433 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 13:58:47,433 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 13:58:47,434 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 13:58:47,434 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 13:58:47,434 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 13:58:47,434 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 13:58:47,435 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 13:58:47,435 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 13:58:47,435 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 13:58:47,435 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 13:58:47,436 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 13:58:47,436 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:58:47,436 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 13:58:47,436 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 13:58:47,437 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 13:58:47,437 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 13:58:47,437 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 13:58:47,438 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 13:58:47,438 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 13:58:47,438 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 13:58:47,438 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 13:58:47,439 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 13:58:47,673 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 13:58:47,698 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 13:58:47,702 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 13:58:47,703 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 13:58:47,703 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 13:58:47,705 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0662b.c
[2024-11-03 13:58:49,129 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 13:58:49,315 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 13:58:49,316 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0662b.c
[2024-11-03 13:58:49,324 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de75b25c6/0d82259f2799430b9cc9783fc30a95bb/FLAG053562127
[2024-11-03 13:58:49,339 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de75b25c6/0d82259f2799430b9cc9783fc30a95bb
[2024-11-03 13:58:49,341 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 13:58:49,342 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 13:58:49,343 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 13:58:49,343 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 13:58:49,348 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 13:58:49,348 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,349 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f49bce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49, skipping insertion in model container
[2024-11-03 13:58:49,349 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,382 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 13:58:49,604 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0662b.c[6224,6237]
[2024-11-03 13:58:49,608 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:58:49,626 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 13:58:49,676 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0662b.c[6224,6237]
[2024-11-03 13:58:49,677 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 13:58:49,708 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 13:58:49,711 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49 WrapperNode
[2024-11-03 13:58:49,712 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 13:58:49,713 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 13:58:49,713 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 13:58:49,713 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 13:58:49,720 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,740 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,763 INFO  L138                Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 229
[2024-11-03 13:58:49,764 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 13:58:49,765 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 13:58:49,765 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 13:58:49,765 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 13:58:49,773 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,773 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,779 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,800 INFO  L175           MemorySlicer]: Split 59 memory accesses to 12 slices as follows [3, 2, 2, 2, 7, 7, 3, 23, 2, 2, 3, 3]. 39 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 2, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [2, 0, 1, 1, 0, 0, 1, 12, 1, 1, 1, 2].
[2024-11-03 13:58:49,800 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,800 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,819 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,824 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,829 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,832 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,839 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 13:58:49,840 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 13:58:49,840 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 13:58:49,841 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 13:58:49,841 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (1/1) ...
[2024-11-03 13:58:49,848 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 13:58:49,861 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 13:58:49,881 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)
[2024-11-03 13:58:49,888 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
[2024-11-03 13:58:49,913 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5
[2024-11-03 13:58:49,914 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6
[2024-11-03 13:58:49,915 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7
[2024-11-03 13:58:49,915 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8
[2024-11-03 13:58:49,915 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9
[2024-11-03 13:58:49,915 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10
[2024-11-03 13:58:49,916 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11
[2024-11-03 13:58:49,916 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0
[2024-11-03 13:58:49,916 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1
[2024-11-03 13:58:49,916 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#2
[2024-11-03 13:58:49,916 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#3
[2024-11-03 13:58:49,917 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#4
[2024-11-03 13:58:49,917 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#5
[2024-11-03 13:58:49,917 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#6
[2024-11-03 13:58:49,917 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#7
[2024-11-03 13:58:49,917 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#8
[2024-11-03 13:58:49,918 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#9
[2024-11-03 13:58:49,918 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#10
[2024-11-03 13:58:49,918 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#11
[2024-11-03 13:58:49,919 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0
[2024-11-03 13:58:49,919 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1
[2024-11-03 13:58:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2
[2024-11-03 13:58:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3
[2024-11-03 13:58:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4
[2024-11-03 13:58:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5
[2024-11-03 13:58:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6
[2024-11-03 13:58:49,920 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-03 13:58:49,921 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-03 13:58:49,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure fabs_double
[2024-11-03 13:58:49,923 INFO  L138     BoogieDeclarations]: Found implementation of procedure fabs_double
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3
[2024-11-03 13:58:49,923 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11
[2024-11-03 13:58:49,924 INFO  L130     BoogieDeclarations]: Found specification of procedure atan_double
[2024-11-03 13:58:49,924 INFO  L138     BoogieDeclarations]: Found implementation of procedure atan_double
[2024-11-03 13:58:49,925 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-03 13:58:49,925 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-03 13:58:49,925 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-03 13:58:49,926 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-03 13:58:49,926 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-03 13:58:49,926 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-03 13:58:49,926 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-03 13:58:49,926 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 13:58:49,927 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-03 13:58:49,927 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2024-11-03 13:58:49,928 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10
[2024-11-03 13:58:49,929 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11
[2024-11-03 13:58:49,929 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-03 13:58:50,135 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 13:58:50,137 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 13:59:32,390 INFO  L?                        ?]: Removed 85 outVars from TransFormulas that were not future-live.
[2024-11-03 13:59:32,390 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 13:59:32,407 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 13:59:32,408 INFO  L316             CfgBuilder]: Removed 16 assume(true) statements.
[2024-11-03 13:59:32,408 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:32 BoogieIcfgContainer
[2024-11-03 13:59:32,408 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 13:59:32,412 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 13:59:32,413 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 13:59:32,416 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 13:59:32,416 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:58:49" (1/3) ...
[2024-11-03 13:59:32,417 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54272669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:59:32, skipping insertion in model container
[2024-11-03 13:59:32,418 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:49" (2/3) ...
[2024-11-03 13:59:32,418 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54272669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:59:32, skipping insertion in model container
[2024-11-03 13:59:32,418 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:32" (3/3) ...
[2024-11-03 13:59:32,419 INFO  L112   eAbstractionObserver]: Analyzing ICFG double_req_bl_0662b.c
[2024-11-03 13:59:32,434 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 13:59:32,435 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 13:59:32,487 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 13:59:32,494 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;@7a7b2e0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 13:59:32,494 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 13:59:32,499 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 88 states, 80 states have (on average 1.675) internal successors, (134), 81 states have internal predecessors, (134), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-03 13:59:32,504 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-03 13:59:32,505 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:59:32,505 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:59:32,506 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:59:32,511 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:59:32,512 INFO  L85        PathProgramCache]: Analyzing trace with hash 1510954264, now seen corresponding path program 1 times
[2024-11-03 13:59:32,520 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:59:32,520 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023571660]
[2024-11-03 13:59:32,521 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:59:32,523 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:59:32,523 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:59:32,525 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:59:32,527 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 13:59:32,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:59:32,733 INFO  L255         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 13:59:32,737 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:59:32,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:59:32,755 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:59:32,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:59:32,760 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:59:32,761 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023571660]
[2024-11-03 13:59:32,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1023571660] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:59:32,761 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:59:32,762 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 13:59:32,764 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722279316]
[2024-11-03 13:59:32,765 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:59:32,768 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 13:59:32,769 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:59:32,790 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 13:59:32,791 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:59:32,794 INFO  L87              Difference]: Start difference. First operand  has 88 states, 80 states have (on average 1.675) internal successors, (134), 81 states have internal predecessors, (134), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-11-03 13:59:32,829 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 13:59:32,830 INFO  L93              Difference]: Finished difference Result 173 states and 284 transitions.
[2024-11-03 13:59:32,831 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 13:59:32,832 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11
[2024-11-03 13:59:32,833 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 13:59:32,842 INFO  L225             Difference]: With dead ends: 173
[2024-11-03 13:59:32,842 INFO  L226             Difference]: Without dead ends: 84
[2024-11-03 13:59:32,846 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 13:59:32,851 INFO  L432           NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 13:59:32,853 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 13:59:32,868 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-03 13:59:32,889 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2024-11-03 13:59:32,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-03 13:59:32,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions.
[2024-11-03 13:59:32,898 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 11
[2024-11-03 13:59:32,898 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 13:59:32,898 INFO  L471      AbstractCegarLoop]: Abstraction has 84 states and 120 transitions.
[2024-11-03 13:59:32,899 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-11-03 13:59:32,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions.
[2024-11-03 13:59:32,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-03 13:59:32,901 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 13:59:32,901 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 13:59:32,906 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0
[2024-11-03 13:59:33,104 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:59:33,105 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 13:59:33,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 13:59:33,106 INFO  L85        PathProgramCache]: Analyzing trace with hash 370347393, now seen corresponding path program 1 times
[2024-11-03 13:59:33,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 13:59:33,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951649762]
[2024-11-03 13:59:33,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 13:59:33,107 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 13:59:33,107 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 13:59:33,111 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 13:59:33,113 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 13:59:33,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 13:59:33,395 INFO  L255         TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-03 13:59:33,398 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 13:59:46,240 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:59:46,241 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 13:59:59,045 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 13:59:59,046 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 13:59:59,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951649762]
[2024-11-03 13:59:59,046 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1951649762] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 13:59:59,046 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 13:59:59,046 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14
[2024-11-03 13:59:59,046 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035259044]
[2024-11-03 13:59:59,047 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 13:59:59,048 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 13:59:59,048 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 13:59:59,049 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 13:59:59,049 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182
[2024-11-03 13:59:59,049 INFO  L87              Difference]: Start difference. First operand 84 states and 120 transitions. Second operand  has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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)
[2024-11-03 14:00:17,741 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 14:00:22,255 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2024-11-03 14:00:23,421 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 14:00:25,589 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 14:00:26,928 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 14:00:28,571 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 14:00:28,571 INFO  L93              Difference]: Finished difference Result 89 states and 125 transitions.
[2024-11-03 14:00:28,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 14:00:28,573 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) Word has length 13
[2024-11-03 14:00:28,573 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 14:00:28,573 INFO  L225             Difference]: With dead ends: 89
[2024-11-03 14:00:28,573 INFO  L226             Difference]: Without dead ends: 17
[2024-11-03 14:00:28,574 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 31.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342
[2024-11-03 14:00:28,575 INFO  L432           NwaCegarLoop]: 7 mSDtfsCounter, 47 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time
[2024-11-03 14:00:28,576 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 53 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time]
[2024-11-03 14:00:28,576 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-03 14:00:28,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-03 14:00:28,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 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)
[2024-11-03 14:00:28,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions.
[2024-11-03 14:00:28,579 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13
[2024-11-03 14:00:28,579 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 14:00:28,579 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 16 transitions.
[2024-11-03 14:00:28,579 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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)
[2024-11-03 14:00:28,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions.
[2024-11-03 14:00:28,580 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-03 14:00:28,580 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 14:00:28,580 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 14:00:28,599 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0
[2024-11-03 14:00:28,780 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 14:00:28,781 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 14:00:28,782 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 14:00:28,782 INFO  L85        PathProgramCache]: Analyzing trace with hash 639744913, now seen corresponding path program 1 times
[2024-11-03 14:00:28,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 14:00:28,782 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586406775]
[2024-11-03 14:00:28,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 14:00:28,782 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 14:00:28,783 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 14:00:28,784 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 14:00:28,785 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 14:00:29,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 14:00:29,106 INFO  L255         TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 14:00:29,107 INFO  L278         TraceCheckSpWp]: Computing forward predicates...