/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 FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/tanh_w8_r3_case_1_unsafe.c-amalgamation.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 10:49:43,436 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 10:49:43,503 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 10:49:43,508 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 10:49:43,509 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 10:49:43,540 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 10:49:43,541 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 10:49:43,541 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 10:49:43,542 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 10:49:43,542 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 10:49:43,542 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 10:49:43,543 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 10:49:43,543 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 10:49:43,543 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 10:49:43,544 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 10:49:43,544 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 10:49:43,544 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 10:49:43,545 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 10:49:43,545 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 10:49:43,545 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 10:49:43,546 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 10:49:43,549 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 10:49:43,549 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 10:49:43,549 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 10:49:43,549 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 10:49:43,550 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 10:49:43,550 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 10:49:43,550 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 10:49:43,550 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 10:49:43,551 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 10:49:43,551 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 10:49:43,551 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 10:49:43,551 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 10:49:43,551 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 10:49:43,552 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 10:49:43,552 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 10:49:43,552 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 10:49:43,552 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 10:49:43,553 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 10:49:43,553 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 10:49:43,553 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 10:49:43,554 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 10:49:43,554 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 10:49:43,554 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 10:49:43,555 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 10:49:43,776 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 10:49:43,799 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 10:49:43,804 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 10:49:43,805 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 10:49:43,805 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 10:49:43,806 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/tanh_w8_r3_case_1_unsafe.c-amalgamation.i
[2024-11-06 10:49:45,205 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 10:49:45,568 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 10:49:45,569 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/tanh_w8_r3_case_1_unsafe.c-amalgamation.i
[2024-11-06 10:49:45,598 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f730aa377/44e352ade94f4d28a9350195bc644437/FLAG2e943da2d
[2024-11-06 10:49:45,614 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f730aa377/44e352ade94f4d28a9350195bc644437
[2024-11-06 10:49:45,617 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 10:49:45,618 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 10:49:45,622 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 10:49:45,622 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 10:49:45,627 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 10:49:45,627 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:45" (1/1) ...
[2024-11-06 10:49:45,628 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5915ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:45, skipping insertion in model container
[2024-11-06 10:49:45,628 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:49:45" (1/1) ...
[2024-11-06 10:49:45,699 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 10:49:46,451 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/tanh_w8_r3_case_1_unsafe.c-amalgamation.i[71674,71687]
[2024-11-06 10:49:46,795 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-06 10:49:46,846 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 10:49:46,859 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 10:49:46,913 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/tanh_w8_r3_case_1_unsafe.c-amalgamation.i[71674,71687]
[2024-11-06 10:49:47,081 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 10:49:47,319 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 10:49:47,320 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47 WrapperNode
[2024-11-06 10:49:47,320 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 10:49:47,321 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 10:49:47,321 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 10:49:47,321 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 10:49:47,327 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,389 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,453 INFO  L138                Inliner]: procedures = 780, calls = 1201, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 591
[2024-11-06 10:49:47,454 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 10:49:47,454 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 10:49:47,454 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 10:49:47,454 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 10:49:47,465 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,465 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,481 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,532 INFO  L175           MemorySlicer]: Split 329 memory accesses to 12 slices as follows [2, 10, 7, 11, 28, 2, 12, 55, 51, 11, 9, 131]. 40 percent of accesses are in the largest equivalence class. The 131 initializations are split as follows [2, 8, 7, 8, 24, 2, 8, 24, 32, 8, 8, 0]. The 156 writes are split as follows [0, 0, 0, 0, 3, 0, 0, 14, 9, 0, 0, 130].
[2024-11-06 10:49:47,533 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,533 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,575 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,585 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,611 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,620 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,637 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 10:49:47,641 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 10:49:47,641 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 10:49:47,641 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 10:49:47,642 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (1/1) ...
[2024-11-06 10:49:47,648 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 10:49:47,663 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 10:49:47,681 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 10:49:47,684 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 10:49:47,712 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-06 10:49:47,712 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-06 10:49:47,712 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-06 10:49:47,712 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-06 10:49:47,713 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-06 10:49:47,715 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNN
[2024-11-06 10:49:47,716 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-06 10:49:47,716 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-06 10:49:47,717 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 10:49:47,718 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5
[2024-11-06 10:49:47,718 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6
[2024-11-06 10:49:47,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7
[2024-11-06 10:49:47,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8
[2024-11-06 10:49:47,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9
[2024-11-06 10:49:47,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10
[2024-11-06 10:49:47,719 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11
[2024-11-06 10:49:47,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-06 10:49:47,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-06 10:49:47,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-06 10:49:47,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3
[2024-11-06 10:49:47,720 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4
[2024-11-06 10:49:47,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5
[2024-11-06 10:49:47,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6
[2024-11-06 10:49:47,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7
[2024-11-06 10:49:47,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8
[2024-11-06 10:49:47,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9
[2024-11-06 10:49:47,721 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10
[2024-11-06 10:49:47,722 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-06 10:49:47,722 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-06 10:49:47,723 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-06 10:49:47,723 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-06 10:49:47,723 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-06 10:49:47,723 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_affine_matmul
[2024-11-06 10:49:47,723 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul
[2024-11-06 10:49:47,724 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-06 10:49:47,725 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-06 10:49:47,725 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 10:49:47,725 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-06 10:49:47,726 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11
[2024-11-06 10:49:47,727 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11
[2024-11-06 10:49:47,728 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell
[2024-11-06 10:49:47,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell
[2024-11-06 10:49:47,729 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 10:49:47,729 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 10:49:47,729 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 10:49:47,729 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 10:49:47,729 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 10:49:47,730 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 10:49:47,730 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 10:49:47,730 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 10:49:47,730 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-06 10:49:47,730 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-06 10:49:47,730 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-06 10:49:47,731 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-06 10:49:47,732 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-06 10:49:47,733 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8
[2024-11-06 10:49:47,733 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9
[2024-11-06 10:49:47,733 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10
[2024-11-06 10:49:47,733 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11
[2024-11-06 10:49:48,059 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 10:49:48,063 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 10:50:01,572 INFO  L?                        ?]: Removed 158 outVars from TransFormulas that were not future-live.
[2024-11-06 10:50:01,572 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 10:50:01,587 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 10:50:01,587 INFO  L316             CfgBuilder]: Removed 20 assume(true) statements.
[2024-11-06 10:50:01,588 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:01 BoogieIcfgContainer
[2024-11-06 10:50:01,588 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 10:50:01,590 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 10:50:01,590 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 10:50:01,594 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 10:50:01,594 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:49:45" (1/3) ...
[2024-11-06 10:50:01,594 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c95522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:01, skipping insertion in model container
[2024-11-06 10:50:01,595 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:49:47" (2/3) ...
[2024-11-06 10:50:01,595 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c95522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:01, skipping insertion in model container
[2024-11-06 10:50:01,595 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:01" (3/3) ...
[2024-11-06 10:50:01,596 INFO  L112   eAbstractionObserver]: Analyzing ICFG tanh_w8_r3_case_1_unsafe.c-amalgamation.i
[2024-11-06 10:50:01,618 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 10:50:01,618 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 10:50:01,697 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 10:50:01,704 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;@2935aae7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 10:50:01,704 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 10:50:01,710 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 134 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 121 states have internal predecessors, (185), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-06 10:50:01,719 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-06 10:50:01,719 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 10:50:01,720 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 10:50:01,720 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 10:50:01,725 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 10:50:01,726 INFO  L85        PathProgramCache]: Analyzing trace with hash 672893564, now seen corresponding path program 1 times
[2024-11-06 10:50:01,743 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 10:50:01,744 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556726773]
[2024-11-06 10:50:01,745 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 10:50:01,745 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 10:50:01,746 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 10:50:01,749 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 10:50:01,750 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 10:50:05,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 10:50:05,398 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 10:50:05,403 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 10:50:05,413 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 10:50:05,413 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 10:50:05,414 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 10:50:05,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556726773]
[2024-11-06 10:50:05,414 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556726773] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 10:50:05,414 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 10:50:05,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 10:50:05,416 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447133083]
[2024-11-06 10:50:05,416 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 10:50:05,420 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 10:50:05,420 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 10:50:05,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 10:50:05,436 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 10:50:05,438 INFO  L87              Difference]: Start difference. First operand  has 134 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 121 states have internal predecessors, (185), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 10:50:05,479 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 10:50:05,479 INFO  L93              Difference]: Finished difference Result 264 states and 398 transitions.
[2024-11-06 10:50:05,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 10:50:05,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2024-11-06 10:50:05,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 10:50:05,490 INFO  L225             Difference]: With dead ends: 264
[2024-11-06 10:50:05,490 INFO  L226             Difference]: Without dead ends: 130
[2024-11-06 10:50:05,494 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 10:50:05,499 INFO  L432           NwaCegarLoop]: 175 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, 175 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 10:50:05,500 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 10:50:05,513 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2024-11-06 10:50:05,532 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2024-11-06 10:50:05,534 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 130 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 117 states have internal predecessors, (157), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-06 10:50:05,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 171 transitions.
[2024-11-06 10:50:05,538 INFO  L78                 Accepts]: Start accepts. Automaton has 130 states and 171 transitions. Word has length 23
[2024-11-06 10:50:05,539 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 10:50:05,539 INFO  L471      AbstractCegarLoop]: Abstraction has 130 states and 171 transitions.
[2024-11-06 10:50:05,539 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 10:50:05,539 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 171 transitions.
[2024-11-06 10:50:05,541 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-06 10:50:05,541 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 10:50:05,541 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 10:50:05,577 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 10:50:05,742 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 10:50:05,743 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 10:50:05,743 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 10:50:05,743 INFO  L85        PathProgramCache]: Analyzing trace with hash -1187589793, now seen corresponding path program 1 times
[2024-11-06 10:50:05,747 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 10:50:05,747 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610584725]
[2024-11-06 10:50:05,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 10:50:05,747 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 10:50:05,748 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 10:50:05,750 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 10:50:05,751 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 10:50:09,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 10:50:09,339 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-06 10:50:09,343 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 10:50:13,919 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 10:50:13,919 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 10:50:13,919 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 10:50:13,920 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610584725]
[2024-11-06 10:50:13,920 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610584725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 10:50:13,920 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 10:50:13,920 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-06 10:50:13,921 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924208841]
[2024-11-06 10:50:13,921 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 10:50:13,922 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 10:50:13,922 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 10:50:13,923 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 10:50:13,923 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-06 10:50:13,923 INFO  L87              Difference]: Start difference. First operand 130 states and 171 transitions. Second operand  has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 10:50:17,950 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-06 10:50:21,957 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-06 10:50:25,976 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 10:50:29,988 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-06 10:50:34,134 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 10:50:39,107 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-06 10:50:43,180 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-06 10:50:47,431 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-06 10:50:51,436 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-06 10:51:03,978 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 10:51:03,979 INFO  L93              Difference]: Finished difference Result 156 states and 204 transitions.
[2024-11-06 10:51:03,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-06 10:51:03,983 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2024-11-06 10:51:03,983 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 10:51:03,986 INFO  L225             Difference]: With dead ends: 156
[2024-11-06 10:51:03,987 INFO  L226             Difference]: Without dead ends: 144
[2024-11-06 10:51:03,987 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-06 10:51:03,988 INFO  L432           NwaCegarLoop]: 167 mSDtfsCounter, 181 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.0s IncrementalHoareTripleChecker+Time
[2024-11-06 10:51:03,989 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 767 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 9 Unknown, 0 Unchecked, 50.0s Time]
[2024-11-06 10:51:03,990 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2024-11-06 10:51:04,008 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 131.
[2024-11-06 10:51:04,009 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 131 states, 118 states have (on average 1.3389830508474576) internal successors, (158), 118 states have internal predecessors, (158), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-06 10:51:04,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 172 transitions.
[2024-11-06 10:51:04,011 INFO  L78                 Accepts]: Start accepts. Automaton has 131 states and 172 transitions. Word has length 23
[2024-11-06 10:51:04,012 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 10:51:04,012 INFO  L471      AbstractCegarLoop]: Abstraction has 131 states and 172 transitions.
[2024-11-06 10:51:04,012 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 10:51:04,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions.
[2024-11-06 10:51:04,013 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-06 10:51:04,013 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 10:51:04,013 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 10:51:04,060 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-06 10:51:04,213 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 10:51:04,214 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 10:51:04,215 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 10:51:04,215 INFO  L85        PathProgramCache]: Analyzing trace with hash -114691964, now seen corresponding path program 1 times
[2024-11-06 10:51:04,219 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 10:51:04,219 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379122637]
[2024-11-06 10:51:04,219 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 10:51:04,220 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 10:51:04,220 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 10:51:04,221 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 10:51:04,223 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 10:51:07,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 10:51:08,108 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-06 10:51:08,111 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 10:51:12,220 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 10:51:12,220 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 10:51:12,220 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 10:51:12,220 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379122637]
[2024-11-06 10:51:12,220 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [379122637] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 10:51:12,221 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 10:51:12,221 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-06 10:51:12,221 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121325788]
[2024-11-06 10:51:12,221 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 10:51:12,221 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 10:51:12,221 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 10:51:12,222 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 10:51:12,222 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 10:51:12,222 INFO  L87              Difference]: Start difference. First operand 131 states and 172 transitions. Second operand  has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 10:51:13,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 10:51:13,898 INFO  L93              Difference]: Finished difference Result 142 states and 184 transitions.
[2024-11-06 10:51:13,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-06 10:51:13,899 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2024-11-06 10:51:13,899 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 10:51:13,900 INFO  L225             Difference]: With dead ends: 142
[2024-11-06 10:51:13,900 INFO  L226             Difference]: Without dead ends: 122
[2024-11-06 10:51:13,901 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 10:51:13,902 INFO  L432           NwaCegarLoop]: 169 mSDtfsCounter, 15 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-06 10:51:13,902 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 655 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-06 10:51:13,903 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-11-06 10:51:13,914 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122.
[2024-11-06 10:51:13,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 110 states have (on average 1.3272727272727274) internal successors, (146), 110 states have internal predecessors, (146), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-06 10:51:13,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions.
[2024-11-06 10:51:13,916 INFO  L78                 Accepts]: Start accepts. Automaton has 122 states and 158 transitions. Word has length 23
[2024-11-06 10:51:13,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 10:51:13,916 INFO  L471      AbstractCegarLoop]: Abstraction has 122 states and 158 transitions.
[2024-11-06 10:51:13,917 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 10:51:13,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 158 transitions.
[2024-11-06 10:51:13,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-11-06 10:51:13,919 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 10:51:13,919 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 10:51:13,993 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-06 10:51:14,119 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 10:51:14,120 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 10:51:14,121 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 10:51:14,121 INFO  L85        PathProgramCache]: Analyzing trace with hash 629417719, now seen corresponding path program 1 times
[2024-11-06 10:51:14,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 10:51:14,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673607610]
[2024-11-06 10:51:14,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 10:51:14,123 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 10:51:14,123 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 10:51:14,127 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 10:51:14,128 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 10:51:18,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 10:51:18,448 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-06 10:51:18,454 INFO  L278         TraceCheckSpWp]: Computing forward predicates...