/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0833.c


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 06:20:08,240 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 06:20:08,329 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 06:20:08,338 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 06:20:08,339 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 06:20:08,362 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 06:20:08,362 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 06:20:08,363 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 06:20:08,363 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 06:20:08,364 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 06:20:08,364 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 06:20:08,364 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 06:20:08,365 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 06:20:08,365 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 06:20:08,366 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 06:20:08,366 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 06:20:08,366 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 06:20:08,367 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 06:20:08,367 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 06:20:08,367 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 06:20:08,368 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 06:20:08,369 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 06:20:08,369 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 06:20:08,369 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 06:20:08,370 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 06:20:08,370 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 06:20:08,370 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 06:20:08,370 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 06:20:08,371 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 06:20:08,371 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 06:20:08,371 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 06:20:08,372 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 06:20:08,372 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 06:20:08,373 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 06:20:08,373 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 06:20:08,374 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 06:20:08,374 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 06:20:08,374 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 06:20:08,374 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 06:20:08,375 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 06:20:08,375 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 06:20:08,375 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 06:20:08,376 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 06:20:08,376 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 06:20:08,376 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 06:20:08,648 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 06:20:08,684 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 06:20:08,689 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 06:20:08,691 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 06:20:08,691 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 06:20:08,693 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0833.c
[2024-11-03 06:20:10,314 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 06:20:10,528 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 06:20:10,529 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0833.c
[2024-11-03 06:20:10,536 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de511288/7b0fe9eaa41e44bda0e09bc469ec5a3c/FLAG18f9b4e1b
[2024-11-03 06:20:10,552 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de511288/7b0fe9eaa41e44bda0e09bc469ec5a3c
[2024-11-03 06:20:10,555 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 06:20:10,556 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 06:20:10,557 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 06:20:10,558 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 06:20:10,563 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 06:20:10,564 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:10,565 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf09b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10, skipping insertion in model container
[2024-11-03 06:20:10,565 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:10,597 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 06:20:10,830 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/float_req_bl_0833.c[3348,3361]
[2024-11-03 06:20:10,834 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 06:20:10,850 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 06:20:10,888 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/float_req_bl_0833.c[3348,3361]
[2024-11-03 06:20:10,889 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 06:20:10,912 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 06:20:10,913 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10 WrapperNode
[2024-11-03 06:20:10,913 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 06:20:10,914 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 06:20:10,914 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 06:20:10,915 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 06:20:10,922 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:10,933 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:10,959 INFO  L138                Inliner]: procedures = 21, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 188
[2024-11-03 06:20:10,960 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 06:20:10,960 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 06:20:10,960 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 06:20:10,961 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 06:20:10,971 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:10,972 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:10,979 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,001 INFO  L175           MemorySlicer]: Split 25 memory accesses to 10 slices as follows [2, 2, 2, 2, 3, 4, 4, 2, 2, 2]. 16 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 0, 2, 2, 2, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 0, 0, 0, 1, 1, 1].
[2024-11-03 06:20:11,002 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,002 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,020 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,026 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,032 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,035 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,041 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 06:20:11,042 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 06:20:11,042 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 06:20:11,043 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 06:20:11,045 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (1/1) ...
[2024-11-03 06:20:11,055 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 06:20:11,067 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 06:20:11,087 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 06:20:11,096 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 06:20:11,147 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 06:20:11,148 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-03 06:20:11,148 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-03 06:20:11,148 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 06:20:11,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-03 06:20:11,150 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-03 06:20:11,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-03 06:20:11,152 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-03 06:20:11,152 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-03 06:20:11,152 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-03 06:20:11,152 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-03 06:20:11,152 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-03 06:20:11,155 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-03 06:20:11,155 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-03 06:20:11,155 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-03 06:20:11,155 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 06:20:11,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-03 06:20:11,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-03 06:20:11,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-03 06:20:11,158 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-03 06:20:11,158 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-03 06:20:11,158 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2024-11-03 06:20:11,158 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2024-11-03 06:20:11,158 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-03 06:20:11,330 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 06:20:11,332 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 06:20:29,272 INFO  L?                        ?]: Removed 40 outVars from TransFormulas that were not future-live.
[2024-11-03 06:20:29,272 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 06:20:29,292 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 06:20:29,293 INFO  L316             CfgBuilder]: Removed 12 assume(true) statements.
[2024-11-03 06:20:29,293 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 06:20:29 BoogieIcfgContainer
[2024-11-03 06:20:29,293 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 06:20:29,296 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 06:20:29,297 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 06:20:29,300 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 06:20:29,301 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 06:20:10" (1/3) ...
[2024-11-03 06:20:29,302 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d677185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 06:20:29, skipping insertion in model container
[2024-11-03 06:20:29,302 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 06:20:10" (2/3) ...
[2024-11-03 06:20:29,303 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d677185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 06:20:29, skipping insertion in model container
[2024-11-03 06:20:29,303 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 06:20:29" (3/3) ...
[2024-11-03 06:20:29,304 INFO  L112   eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c
[2024-11-03 06:20:29,321 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 06:20:29,322 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 06:20:29,396 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 06:20:29,402 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;@46bbea6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 06:20:29,402 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 06:20:29,406 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 39 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 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 06:20:29,410 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-03 06:20:29,411 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 06:20:29,411 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 06:20:29,412 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 06:20:29,419 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 06:20:29,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -1903470238, now seen corresponding path program 1 times
[2024-11-03 06:20:29,429 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 06:20:29,430 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529128315]
[2024-11-03 06:20:29,430 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 06:20:29,433 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 06:20:29,433 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 06:20:29,436 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 06:20:29,438 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 06:20:29,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 06:20:29,585 INFO  L255         TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 06:20:29,590 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 06:20:29,607 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 06:20:29,607 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 06:20:29,611 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 06:20:29,612 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 06:20:29,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529128315]
[2024-11-03 06:20:29,612 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [529128315] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 06:20:29,613 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 06:20:29,613 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 06:20:29,615 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981816821]
[2024-11-03 06:20:29,615 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 06:20:29,620 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 06:20:29,620 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 06:20:29,654 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 06:20:29,655 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 06:20:29,657 INFO  L87              Difference]: Start difference. First operand  has 39 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 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) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 06:20:29,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 06:20:29,677 INFO  L93              Difference]: Finished difference Result 76 states and 122 transitions.
[2024-11-03 06:20:29,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 06:20:29,680 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2024-11-03 06:20:29,680 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 06:20:29,689 INFO  L225             Difference]: With dead ends: 76
[2024-11-03 06:20:29,689 INFO  L226             Difference]: Without dead ends: 36
[2024-11-03 06:20:29,692 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 06:20:29,697 INFO  L432           NwaCegarLoop]: 49 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, 49 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 06:20:29,698 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 06:20:29,714 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-03 06:20:29,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2024-11-03 06:20:29,732 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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 06:20:29,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions.
[2024-11-03 06:20:29,736 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 9
[2024-11-03 06:20:29,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 06:20:29,737 INFO  L471      AbstractCegarLoop]: Abstraction has 36 states and 46 transitions.
[2024-11-03 06:20:29,737 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 06:20:29,737 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions.
[2024-11-03 06:20:29,738 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-03 06:20:29,738 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 06:20:29,738 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 06:20:29,742 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 06:20:29,938 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 06:20:29,939 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 06:20:29,940 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 06:20:29,940 INFO  L85        PathProgramCache]: Analyzing trace with hash 1484880575, now seen corresponding path program 1 times
[2024-11-03 06:20:29,940 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 06:20:29,941 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023457703]
[2024-11-03 06:20:29,941 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 06:20:29,941 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 06:20:29,941 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 06:20:29,944 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 06:20:29,946 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 06:20:30,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 06:20:30,140 WARN  L253         TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 38 conjuncts are in the unsatisfiable core
[2024-11-03 06:20:30,148 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 06:20:30,764 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 06:20:30,764 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 06:20:31,309 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 06:20:31,309 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 06:20:31,309 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023457703]
[2024-11-03 06:20:31,309 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2023457703] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 06:20:31,310 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 06:20:31,310 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9
[2024-11-03 06:20:31,310 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713808067]
[2024-11-03 06:20:31,310 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 06:20:31,311 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 06:20:31,312 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 06:20:31,312 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 06:20:31,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-03 06:20:31,313 INFO  L87              Difference]: Start difference. First operand 36 states and 46 transitions. Second operand  has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 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 06:20:32,078 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 06:20:32,078 INFO  L93              Difference]: Finished difference Result 45 states and 55 transitions.
[2024-11-03 06:20:32,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-03 06:20:32,080 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 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) Word has length 10
[2024-11-03 06:20:32,080 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 06:20:32,081 INFO  L225             Difference]: With dead ends: 45
[2024-11-03 06:20:32,081 INFO  L226             Difference]: Without dead ends: 16
[2024-11-03 06:20:32,082 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2024-11-03 06:20:32,083 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-03 06:20:32,083 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 58 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-03 06:20:32,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-03 06:20:32,085 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-11-03 06:20:32,085 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 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 06:20:32,086 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2024-11-03 06:20:32,086 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 10
[2024-11-03 06:20:32,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 06:20:32,087 INFO  L471      AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2024-11-03 06:20:32,087 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 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 06:20:32,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2024-11-03 06:20:32,087 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-03 06:20:32,087 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 06:20:32,088 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 06:20:32,092 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0
[2024-11-03 06:20:32,288 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 06:20:32,289 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 06:20:32,289 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 06:20:32,290 INFO  L85        PathProgramCache]: Analyzing trace with hash -1245341696, now seen corresponding path program 1 times
[2024-11-03 06:20:32,290 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 06:20:32,290 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099956203]
[2024-11-03 06:20:32,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 06:20:32,290 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 06:20:32,291 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 06:20:32,301 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 06:20:32,302 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 06:20:32,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 06:20:32,506 WARN  L253         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-11-03 06:20:32,511 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 06:20:33,643 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 06:20:33,644 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 06:21:14,594 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 06:21:14,594 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 06:21:14,595 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099956203]
[2024-11-03 06:21:14,595 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1099956203] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 06:21:14,595 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 06:21:14,595 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12
[2024-11-03 06:21:14,595 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207252464]
[2024-11-03 06:21:14,595 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 06:21:14,596 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-03 06:21:14,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 06:21:14,596 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-03 06:21:14,597 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132
[2024-11-03 06:21:14,597 INFO  L87              Difference]: Start difference. First operand 16 states and 16 transitions. Second operand  has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 06:21:19,114 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-03 06:21:29,234 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 06:21:31,505 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 06:21:34,531 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 06:21:38,747 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 06:21:38,748 INFO  L93              Difference]: Finished difference Result 19 states and 18 transitions.
[2024-11-03 06:21:38,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 06:21:38,749 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 06:21:38,749 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 06:21:38,749 INFO  L225             Difference]: With dead ends: 19
[2024-11-03 06:21:38,749 INFO  L226             Difference]: Without dead ends: 16
[2024-11-03 06:21:38,750 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 38.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210
[2024-11-03 06:21:38,750 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time
[2024-11-03 06:21:38,751 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 45 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time]
[2024-11-03 06:21:38,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-03 06:21:38,754 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-11-03 06:21:38,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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 06:21:38,754 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions.
[2024-11-03 06:21:38,755 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11
[2024-11-03 06:21:38,755 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 06:21:38,755 INFO  L471      AbstractCegarLoop]: Abstraction has 16 states and 15 transitions.
[2024-11-03 06:21:38,755 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 06:21:38,755 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions.
[2024-11-03 06:21:38,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-03 06:21:38,756 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 06:21:38,756 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 06:21:38,760 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 06:21:38,957 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 06:21:38,958 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 06:21:38,959 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 06:21:38,960 INFO  L85        PathProgramCache]: Analyzing trace with hash 140996437, now seen corresponding path program 1 times
[2024-11-03 06:21:38,960 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 06:21:38,960 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41191000]
[2024-11-03 06:21:38,960 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 06:21:38,960 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 06:21:38,960 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 06:21:38,963 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 06:21:38,965 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 06:21:39,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 06:21:39,175 WARN  L253         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 56 conjuncts are in the unsatisfiable core
[2024-11-03 06:21:39,181 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 06:21:39,459 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-03 06:21:39,489 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-03 06:21:39,518 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13
[2024-11-03 06:21:39,545 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-03 06:21:41,611 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 06:21:41,612 INFO  L311         TraceCheckSpWp]: Computing backward predicates...