/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0686a.c


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 00:34:23,014 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 00:34:23,056 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 00:34:23,062 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 00:34:23,063 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 00:34:23,085 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 00:34:23,085 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 00:34:23,085 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 00:34:23,086 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 00:34:23,088 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 00:34:23,089 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 00:34:23,089 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 00:34:23,089 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 00:34:23,089 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 00:34:23,089 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 00:34:23,090 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 00:34:23,090 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 00:34:23,090 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 00:34:23,091 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 00:34:23,091 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 00:34:23,091 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 00:34:23,091 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 00:34:23,091 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 00:34:23,092 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 00:34:23,093 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 00:34:23,093 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 00:34:23,093 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 00:34:23,093 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 00:34:23,093 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:34:23,093 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 00:34:23,093 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 00:34:23,094 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 00:34:23,094 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 00:34:23,094 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 00:34:23,094 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 00:34:23,095 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 00:34:23,095 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 00:34:23,095 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 00:34:23,095 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 00:34:23,263 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 00:34:23,280 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 00:34:23,282 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 00:34:23,283 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 00:34:23,283 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 00:34:23,284 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0686a.c
[2024-11-06 00:34:24,547 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 00:34:24,675 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 00:34:24,675 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0686a.c
[2024-11-06 00:34:24,682 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6621b1fa5/5f1df54e53944ef182790b0ac291758d/FLAG3aaf56451
[2024-11-06 00:34:24,691 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6621b1fa5/5f1df54e53944ef182790b0ac291758d
[2024-11-06 00:34:24,694 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 00:34:24,695 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 00:34:24,698 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 00:34:24,698 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 00:34:24,702 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 00:34:24,703 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:24,704 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2632e19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24, skipping insertion in model container
[2024-11-06 00:34:24,704 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:24,723 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 00:34:24,887 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_0686a.c[6204,6217]
[2024-11-06 00:34:24,891 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:34:24,902 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 00:34:24,942 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_0686a.c[6204,6217]
[2024-11-06 00:34:24,942 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:34:24,962 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 00:34:24,963 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24 WrapperNode
[2024-11-06 00:34:24,963 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 00:34:24,964 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 00:34:24,964 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 00:34:24,964 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 00:34:24,969 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:24,982 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,007 INFO  L138                Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 225
[2024-11-06 00:34:25,007 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 00:34:25,008 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 00:34:25,008 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 00:34:25,008 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 00:34:25,020 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,020 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,027 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,050 INFO  L175           MemorySlicer]: Split 59 memory accesses to 12 slices as follows [2, 2, 2, 7, 7, 2, 23, 3, 3, 2, 3, 3]. 39 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 1, 1, 0, 0, 1, 12, 1, 1, 1, 2, 2].
[2024-11-06 00:34:25,050 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,050 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,065 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,069 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,072 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,074 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,079 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 00:34:25,080 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 00:34:25,080 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 00:34:25,080 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 00:34:25,081 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (1/1) ...
[2024-11-06 00:34:25,088 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:34:25,099 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 00:34:25,112 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)
[2024-11-06 00:34:25,113 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
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5
[2024-11-06 00:34:25,131 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#2
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#3
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#4
[2024-11-06 00:34:25,132 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#5
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#6
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#7
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#8
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#9
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#10
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#11
[2024-11-06 00:34:25,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10
[2024-11-06 00:34:25,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-06 00:34:25,135 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure fabs_double
[2024-11-06 00:34:25,136 INFO  L138     BoogieDeclarations]: Found implementation of procedure fabs_double
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7
[2024-11-06 00:34:25,136 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure atan_double
[2024-11-06 00:34:25,137 INFO  L138     BoogieDeclarations]: Found implementation of procedure atan_double
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 00:34:25,137 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 00:34:25,138 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-06 00:34:25,138 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11
[2024-11-06 00:34:25,139 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 00:34:25,268 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 00:34:25,270 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 00:35:08,003 INFO  L?                        ?]: Removed 85 outVars from TransFormulas that were not future-live.
[2024-11-06 00:35:08,004 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 00:35:08,013 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 00:35:08,013 INFO  L316             CfgBuilder]: Removed 16 assume(true) statements.
[2024-11-06 00:35:08,014 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:35:08 BoogieIcfgContainer
[2024-11-06 00:35:08,014 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 00:35:08,019 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 00:35:08,019 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 00:35:08,022 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 00:35:08,022 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:34:24" (1/3) ...
[2024-11-06 00:35:08,023 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53220dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:35:08, skipping insertion in model container
[2024-11-06 00:35:08,023 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:34:24" (2/3) ...
[2024-11-06 00:35:08,023 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53220dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:35:08, skipping insertion in model container
[2024-11-06 00:35:08,023 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:35:08" (3/3) ...
[2024-11-06 00:35:08,025 INFO  L112   eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c
[2024-11-06 00:35:08,037 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 00:35:08,038 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 00:35:08,097 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 00:35:08,102 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;@3f143801, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 00:35:08,102 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 00:35:08,109 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 86 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 79 states have internal predecessors, (131), 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)
[2024-11-06 00:35:08,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-06 00:35:08,115 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:35:08,116 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:35:08,116 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:35:08,121 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:35:08,121 INFO  L85        PathProgramCache]: Analyzing trace with hash 1416917136, now seen corresponding path program 1 times
[2024-11-06 00:35:08,134 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:35:08,134 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752695615]
[2024-11-06 00:35:08,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:35:08,135 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:08,135 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:35:08,138 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 00:35:08,140 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 00:35:08,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:35:08,484 INFO  L255         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 00:35:08,487 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:35:08,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 00:35:08,498 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:35:08,499 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:35:08,499 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752695615]
[2024-11-06 00:35:08,499 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [752695615] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:35:08,500 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:35:08,500 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 00:35:08,501 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539305509]
[2024-11-06 00:35:08,501 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:35:08,504 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 00:35:08,504 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:35:08,521 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 00:35:08,521 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:35:08,523 INFO  L87              Difference]: Start difference. First operand  has 86 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 79 states have internal predecessors, (131), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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)
[2024-11-06 00:35:08,551 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:35:08,551 INFO  L93              Difference]: Finished difference Result 170 states and 280 transitions.
[2024-11-06 00:35:08,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 00:35:08,554 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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
[2024-11-06 00:35:08,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:35:08,561 INFO  L225             Difference]: With dead ends: 170
[2024-11-06 00:35:08,562 INFO  L226             Difference]: Without dead ends: 83
[2024-11-06 00:35:08,565 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:35:08,568 INFO  L432           NwaCegarLoop]: 122 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, 122 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
[2024-11-06 00:35:08,569 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 00:35:08,580 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2024-11-06 00:35:08,592 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2024-11-06 00:35:08,593 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 76 states have internal predecessors, (111), 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)
[2024-11-06 00:35:08,595 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 119 transitions.
[2024-11-06 00:35:08,596 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 119 transitions. Word has length 10
[2024-11-06 00:35:08,596 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:35:08,596 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 119 transitions.
[2024-11-06 00:35:08,596 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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)
[2024-11-06 00:35:08,596 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions.
[2024-11-06 00:35:08,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 00:35:08,597 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:35:08,597 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:35:08,609 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-06 00:35:08,797 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:08,798 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:35:08,798 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:35:08,799 INFO  L85        PathProgramCache]: Analyzing trace with hash 194980505, now seen corresponding path program 1 times
[2024-11-06 00:35:08,799 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:35:08,799 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570615007]
[2024-11-06 00:35:08,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:35:08,800 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:08,800 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:35:08,803 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 00:35:08,803 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 00:35:09,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:35:09,227 INFO  L255         TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-11-06 00:35:09,231 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:35:18,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 00:35:18,007 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:35:18,007 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:35:18,008 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570615007]
[2024-11-06 00:35:18,008 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570615007] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:35:18,008 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:35:18,008 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-06 00:35:18,008 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446312770]
[2024-11-06 00:35:18,008 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:35:18,009 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-06 00:35:18,009 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:35:18,010 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-06 00:35:18,010 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-06 00:35:18,010 INFO  L87              Difference]: Start difference. First operand 83 states and 119 transitions. Second operand  has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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)
[2024-11-06 00:35:31,745 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:35:31,745 INFO  L93              Difference]: Finished difference Result 147 states and 211 transitions.
[2024-11-06 00:35:31,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-06 00:35:31,748 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 12
[2024-11-06 00:35:31,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:35:31,749 INFO  L225             Difference]: With dead ends: 147
[2024-11-06 00:35:31,749 INFO  L226             Difference]: Without dead ends: 75
[2024-11-06 00:35:31,750 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2024-11-06 00:35:31,751 INFO  L432           NwaCegarLoop]: 94 mSDtfsCounter, 72 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time
[2024-11-06 00:35:31,751 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 483 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time]
[2024-11-06 00:35:31,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2024-11-06 00:35:31,756 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2024-11-06 00:35:31,756 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 00:35:31,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions.
[2024-11-06 00:35:31,757 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 12
[2024-11-06 00:35:31,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:35:31,758 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 102 transitions.
[2024-11-06 00:35:31,758 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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)
[2024-11-06 00:35:31,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions.
[2024-11-06 00:35:31,759 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-06 00:35:31,759 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:35:31,759 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:35:31,773 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2024-11-06 00:35:31,959 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:31,960 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:35:31,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:35:31,960 INFO  L85        PathProgramCache]: Analyzing trace with hash 1801865200, now seen corresponding path program 1 times
[2024-11-06 00:35:31,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:35:31,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151891640]
[2024-11-06 00:35:31,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:35:31,962 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:31,962 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:35:31,964 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 00:35:31,965 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-06 00:35:32,323 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:35:32,340 INFO  L255         TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 00:35:32,342 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:35:36,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 00:35:36,217 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:35:36,218 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:35:36,218 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151891640]
[2024-11-06 00:35:36,218 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151891640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:35:36,218 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:35:36,218 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-06 00:35:36,218 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914585453]
[2024-11-06 00:35:36,218 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:35:36,218 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 00:35:36,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:35:36,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 00:35:36,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 00:35:36,219 INFO  L87              Difference]: Start difference. First operand 75 states and 102 transitions. Second operand  has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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)
[2024-11-06 00:35:38,596 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:35:38,596 INFO  L93              Difference]: Finished difference Result 139 states and 187 transitions.
[2024-11-06 00:35:38,597 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 00:35:38,597 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17
[2024-11-06 00:35:38,597 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:35:38,598 INFO  L225             Difference]: With dead ends: 139
[2024-11-06 00:35:38,598 INFO  L226             Difference]: Without dead ends: 88
[2024-11-06 00:35:38,599 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-06 00:35:38,599 INFO  L432           NwaCegarLoop]: 92 mSDtfsCounter, 137 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-06 00:35:38,599 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 263 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-06 00:35:38,600 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-06 00:35:38,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75.
[2024-11-06 00:35:38,604 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 00:35:38,606 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions.
[2024-11-06 00:35:38,606 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 17
[2024-11-06 00:35:38,606 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:35:38,606 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 100 transitions.
[2024-11-06 00:35:38,606 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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)
[2024-11-06 00:35:38,606 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions.
[2024-11-06 00:35:38,607 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 00:35:38,607 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:35:38,607 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:35:38,621 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-11-06 00:35:38,807 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:38,808 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:35:38,808 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:35:38,808 INFO  L85        PathProgramCache]: Analyzing trace with hash -1494965196, now seen corresponding path program 1 times
[2024-11-06 00:35:38,808 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:35:38,809 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179461133]
[2024-11-06 00:35:38,809 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:35:38,809 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:38,809 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:35:38,811 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 00:35:38,812 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-06 00:35:39,048 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:35:39,059 INFO  L255         TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 00:35:39,061 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:35:42,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 00:35:42,865 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:35:42,865 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:35:42,865 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179461133]
[2024-11-06 00:35:42,865 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179461133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:35:42,865 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:35:42,865 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-06 00:35:42,866 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062056227]
[2024-11-06 00:35:42,866 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:35:42,866 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 00:35:42,866 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:35:42,866 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 00:35:42,866 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 00:35:42,867 INFO  L87              Difference]: Start difference. First operand 75 states and 100 transitions. Second operand  has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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)
[2024-11-06 00:35:45,348 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:35:45,348 INFO  L93              Difference]: Finished difference Result 81 states and 106 transitions.
[2024-11-06 00:35:45,355 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 00:35:45,355 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 18
[2024-11-06 00:35:45,355 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:35:45,355 INFO  L225             Difference]: With dead ends: 81
[2024-11-06 00:35:45,356 INFO  L226             Difference]: Without dead ends: 25
[2024-11-06 00:35:45,356 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-06 00:35:45,357 INFO  L432           NwaCegarLoop]: 20 mSDtfsCounter, 45 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-06 00:35:45,357 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 36 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-06 00:35:45,358 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-06 00:35:45,359 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24.
[2024-11-06 00:35:45,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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)
[2024-11-06 00:35:45,360 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2024-11-06 00:35:45,360 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 18
[2024-11-06 00:35:45,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:35:45,360 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2024-11-06 00:35:45,360 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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)
[2024-11-06 00:35:45,360 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2024-11-06 00:35:45,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 00:35:45,360 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:35:45,360 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:35:45,373 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-06 00:35:45,561 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:45,561 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:35:45,562 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:35:45,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -1517844684, now seen corresponding path program 1 times
[2024-11-06 00:35:45,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:35:45,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076651352]
[2024-11-06 00:35:45,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:35:45,562 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:35:45,562 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:35:45,564 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 00:35:45,565 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-06 00:35:45,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:35:45,872 INFO  L255         TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 00:35:45,873 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:35:53,567 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 00:35:53,567 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:35:53,568 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:35:53,568 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076651352]
[2024-11-06 00:35:53,568 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076651352] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:35:53,568 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:35:53,568 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 00:35:53,568 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55214173]
[2024-11-06 00:35:53,568 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:35:53,568 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 00:35:53,568 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:35:53,569 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 00:35:53,569 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 00:35:53,569 INFO  L87              Difference]: Start difference. First operand 24 states and 27 transitions. Second operand  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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)
[2024-11-06 00:35:56,879 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 00:36:00,892 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 00:36:06,522 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:36:06,522 INFO  L93              Difference]: Finished difference Result 28 states and 30 transitions.
[2024-11-06 00:36:06,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 00:36:06,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18
[2024-11-06 00:36:06,535 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:36:06,535 INFO  L225             Difference]: With dead ends: 28
[2024-11-06 00:36:06,535 INFO  L226             Difference]: Without dead ends: 24
[2024-11-06 00:36:06,536 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-06 00:36:06,536 INFO  L432           NwaCegarLoop]: 19 mSDtfsCounter, 14 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time
[2024-11-06 00:36:06,537 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 55 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time]
[2024-11-06 00:36:06,537 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-06 00:36:06,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-11-06 00:36:06,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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)
[2024-11-06 00:36:06,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2024-11-06 00:36:06,539 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 18
[2024-11-06 00:36:06,540 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:36:06,540 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2024-11-06 00:36:06,540 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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)
[2024-11-06 00:36:06,540 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2024-11-06 00:36:06,540 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-06 00:36:06,540 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:36:06,540 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:36:06,554 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2024-11-06 00:36:06,741 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:36:06,741 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:36:06,742 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:36:06,742 INFO  L85        PathProgramCache]: Analyzing trace with hash 190022478, now seen corresponding path program 1 times
[2024-11-06 00:36:06,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:36:06,742 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482437009]
[2024-11-06 00:36:06,742 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:36:06,742 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 00:36:06,743 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:36:06,745 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 00:36:06,746 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-11-06 00:36:07,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:36:07,075 INFO  L255         TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 00:36:07,078 INFO  L278         TraceCheckSpWp]: Computing forward predicates...