/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/tanh_w4_r2_case_0_safe.c-amalgamation.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 15:18:13,528 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 15:18:13,580 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 15:18:13,586 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 15:18:13,586 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 15:18:13,603 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 15:18:13,603 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 15:18:13,604 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 15:18:13,604 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 15:18:13,604 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 15:18:13,604 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 15:18:13,605 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 15:18:13,605 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 15:18:13,605 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 15:18:13,605 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 15:18:13,606 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 15:18:13,606 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 15:18:13,609 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 15:18:13,609 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 15:18:13,609 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 15:18:13,611 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 15:18:13,611 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 15:18:13,611 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 15:18:13,611 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 15:18:13,612 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 15:18:13,612 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 15:18:13,612 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 15:18:13,612 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 15:18:13,612 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 15:18:13,612 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 15:18:13,612 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 15:18:13,613 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 15:18:13,613 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 15:18:13,613 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 15:18:13,613 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 15:18:13,613 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 15:18:13,613 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 15:18:13,613 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 15:18:13,614 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 15:18:13,614 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 15:18:13,614 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 15:18:13,615 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 15:18:13,615 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 15:18:13,615 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 15:18:13,615 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 15:18:13,777 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 15:18:13,794 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 15:18:13,796 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 15:18:13,797 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 15:18:13,797 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 15:18:13,798 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/tanh_w4_r2_case_0_safe.c-amalgamation.i
[2024-11-03 15:18:14,921 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 15:18:15,170 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 15:18:15,170 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/tanh_w4_r2_case_0_safe.c-amalgamation.i
[2024-11-03 15:18:15,186 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4806d83/a180a5165a2540359e23d87a44d66787/FLAGd528cb363
[2024-11-03 15:18:15,498 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4806d83/a180a5165a2540359e23d87a44d66787
[2024-11-03 15:18:15,500 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 15:18:15,501 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 15:18:15,507 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 15:18:15,507 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 15:18:15,510 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 15:18:15,511 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:18:15" (1/1) ...
[2024-11-03 15:18:15,511 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634a79d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:15, skipping insertion in model container
[2024-11-03 15:18:15,512 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:18:15" (1/1) ...
[2024-11-03 15:18:15,565 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 15:18:16,213 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_w4_r2_case_0_safe.c-amalgamation.i[71397,71410]
[2024-11-03 15:18:16,373 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-03 15:18:16,409 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 15:18:16,424 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 15:18:16,474 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_w4_r2_case_0_safe.c-amalgamation.i[71397,71410]
[2024-11-03 15:18:16,588 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 15:18:16,756 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 15:18:16,756 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16 WrapperNode
[2024-11-03 15:18:16,756 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 15:18:16,757 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 15:18:16,757 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 15:18:16,758 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 15:18:16,763 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,814 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,864 INFO  L138                Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 413
[2024-11-03 15:18:16,865 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 15:18:16,868 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 15:18:16,868 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 15:18:16,868 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 15:18:16,875 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,875 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,882 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,913 INFO  L175           MemorySlicer]: Split 177 memory accesses to 12 slices as follows [2, 7, 2, 12, 35, 12, 43, 11, 10, 23, 11, 9]. 24 percent of accesses are in the largest equivalence class. The 83 initializations are split as follows [2, 7, 2, 8, 0, 8, 12, 8, 8, 12, 8, 8]. The 56 writes are split as follows [0, 0, 0, 3, 34, 0, 14, 0, 0, 5, 0, 0].
[2024-11-03 15:18:16,914 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,914 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,938 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,950 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,960 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,970 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:16,984 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 15:18:16,984 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 15:18:16,984 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 15:18:17,006 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 15:18:17,007 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (1/1) ...
[2024-11-03 15:18:17,012 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 15:18:17,021 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 15:18:17,031 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-03 15:18:17,040 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 15:18:17,057 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-03 15:18:17,057 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-03 15:18:17,057 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-03 15:18:17,057 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-03 15:18:17,058 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-03 15:18:17,058 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-03 15:18:17,058 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-03 15:18:17,058 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-03 15:18:17,058 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-03 15:18:17,058 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNN
[2024-11-03 15:18:17,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-03 15:18:17,059 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 15:18:17,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-03 15:18:17,060 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10
[2024-11-03 15:18:17,061 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11
[2024-11-03 15:18:17,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-03 15:18:17,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-03 15:18:17,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-03 15:18:17,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3
[2024-11-03 15:18:17,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10
[2024-11-03 15:18:17,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11
[2024-11-03 15:18:17,062 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-03 15:18:17,063 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-03 15:18:17,064 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-03 15:18:17,064 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-03 15:18:17,064 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-03 15:18:17,064 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-03 15:18:17,064 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_affine_matmul
[2024-11-03 15:18:17,064 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul
[2024-11-03 15:18:17,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-03 15:18:17,065 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-03 15:18:17,065 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-03 15:18:17,066 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7
[2024-11-03 15:18:17,067 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-03 15:18:17,068 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell
[2024-11-03 15:18:17,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-03 15:18:17,069 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-03 15:18:17,070 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10
[2024-11-03 15:18:17,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11
[2024-11-03 15:18:17,312 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 15:18:17,314 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 15:18:26,240 INFO  L?                        ?]: Removed 154 outVars from TransFormulas that were not future-live.
[2024-11-03 15:18:26,241 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 15:18:26,251 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 15:18:26,251 INFO  L316             CfgBuilder]: Removed 20 assume(true) statements.
[2024-11-03 15:18:26,251 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:18:26 BoogieIcfgContainer
[2024-11-03 15:18:26,251 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 15:18:26,253 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 15:18:26,253 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 15:18:26,255 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 15:18:26,255 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:18:15" (1/3) ...
[2024-11-03 15:18:26,256 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac479b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:18:26, skipping insertion in model container
[2024-11-03 15:18:26,256 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:18:16" (2/3) ...
[2024-11-03 15:18:26,256 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac479b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:18:26, skipping insertion in model container
[2024-11-03 15:18:26,256 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:18:26" (3/3) ...
[2024-11-03 15:18:26,260 INFO  L112   eAbstractionObserver]: Analyzing ICFG tanh_w4_r2_case_0_safe.c-amalgamation.i
[2024-11-03 15:18:26,272 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 15:18:26,272 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 15:18:26,321 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 15:18:26,325 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;@642f11d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 15:18:26,326 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 15:18:26,330 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 128 states, 114 states have (on average 1.5350877192982457) internal successors, (175), 115 states have internal predecessors, (175), 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)
[2024-11-03 15:18:26,336 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 15:18:26,336 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 15:18:26,337 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 15:18:26,337 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 15:18:26,342 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 15:18:26,342 INFO  L85        PathProgramCache]: Analyzing trace with hash 67219695, now seen corresponding path program 1 times
[2024-11-03 15:18:26,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 15:18:26,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142204651]
[2024-11-03 15:18:26,349 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 15:18:26,351 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 15:18:26,351 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:18:26,353 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 15:18:26,354 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 15:18:26,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 15:18:26,807 INFO  L255         TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 15:18:26,811 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 15:18:26,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:18:26,821 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 15:18:26,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:18:26,835 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 15:18:26,836 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142204651]
[2024-11-03 15:18:26,836 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1142204651] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 15:18:26,836 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 15:18:26,836 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 15:18:26,838 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585189420]
[2024-11-03 15:18:26,838 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 15:18:26,841 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 15:18:26,841 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 15:18:26,857 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 15:18:26,857 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 15:18:26,860 INFO  L87              Difference]: Start difference. First operand  has 128 states, 114 states have (on average 1.5350877192982457) internal successors, (175), 115 states have internal predecessors, (175), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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)
[2024-11-03 15:18:26,887 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 15:18:26,887 INFO  L93              Difference]: Finished difference Result 252 states and 378 transitions.
[2024-11-03 15:18:26,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 15:18:26,889 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 17
[2024-11-03 15:18:26,889 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 15:18:26,896 INFO  L225             Difference]: With dead ends: 252
[2024-11-03 15:18:26,896 INFO  L226             Difference]: Without dead ends: 124
[2024-11-03 15:18:26,900 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 15:18:26,903 INFO  L432           NwaCegarLoop]: 167 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, 167 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-03 15:18:26,904 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 15:18:26,915 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2024-11-03 15:18:26,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124.
[2024-11-03 15:18:26,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 124 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 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)
[2024-11-03 15:18:26,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 163 transitions.
[2024-11-03 15:18:26,938 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 163 transitions. Word has length 17
[2024-11-03 15:18:26,938 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 15:18:26,939 INFO  L471      AbstractCegarLoop]: Abstraction has 124 states and 163 transitions.
[2024-11-03 15:18:26,939 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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)
[2024-11-03 15:18:26,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions.
[2024-11-03 15:18:26,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 15:18:26,940 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 15:18:26,940 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 15:18:26,944 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 15:18:27,141 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:18:27,141 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 15:18:27,141 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 15:18:27,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 612732690, now seen corresponding path program 1 times
[2024-11-03 15:18:27,142 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 15:18:27,142 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717335928]
[2024-11-03 15:18:27,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 15:18:27,142 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 15:18:27,142 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:18:27,143 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 15:18:27,162 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 15:18:27,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 15:18:27,611 INFO  L255         TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-03 15:18:27,613 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 15:18:30,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:18:30,479 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 15:18:34,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:18:34,405 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 15:18:34,405 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717335928]
[2024-11-03 15:18:34,406 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1717335928] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 15:18:34,406 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 15:18:34,406 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13
[2024-11-03 15:18:34,406 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251946530]
[2024-11-03 15:18:34,406 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 15:18:34,407 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-03 15:18:34,407 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 15:18:34,408 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-03 15:18:34,408 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-11-03 15:18:34,409 INFO  L87              Difference]: Start difference. First operand 124 states and 163 transitions. Second operand  has 13 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-03 15:18:39,921 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 []
[2024-11-03 15:18:43,981 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 15:18:47,996 WARN  L539   Checker$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 []
[2024-11-03 15:18:52,001 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 15:18:56,148 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-03 15:19:00,177 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-03 15:19:04,286 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 15:19:08,323 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 15:19:12,347 WARN  L539   Checker$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 [0]
[2024-11-03 15:19:20,277 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 15:19:20,277 INFO  L93              Difference]: Finished difference Result 150 states and 196 transitions.
[2024-11-03 15:19:20,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 15:19:20,280 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17
[2024-11-03 15:19:20,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 15:19:20,282 INFO  L225             Difference]: With dead ends: 150
[2024-11-03 15:19:20,283 INFO  L226             Difference]: Without dead ends: 138
[2024-11-03 15:19:20,283 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2024-11-03 15:19:20,284 INFO  L432           NwaCegarLoop]: 159 mSDtfsCounter, 262 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 8 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time
[2024-11-03 15:19:20,284 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1021 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 139 Invalid, 9 Unknown, 0 Unchecked, 44.9s Time]
[2024-11-03 15:19:20,285 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-03 15:19:20,298 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 125.
[2024-11-03 15:19:20,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 125 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 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)
[2024-11-03 15:19:20,301 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 164 transitions.
[2024-11-03 15:19:20,302 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 164 transitions. Word has length 17
[2024-11-03 15:19:20,302 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 15:19:20,302 INFO  L471      AbstractCegarLoop]: Abstraction has 125 states and 164 transitions.
[2024-11-03 15:19:20,302 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-03 15:19:20,302 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 164 transitions.
[2024-11-03 15:19:20,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 15:19:20,302 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 15:19:20,303 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 15:19:20,311 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 15:19:20,506 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:19:20,507 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 15:19:20,507 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 15:19:20,507 INFO  L85        PathProgramCache]: Analyzing trace with hash 1685630519, now seen corresponding path program 1 times
[2024-11-03 15:19:20,507 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 15:19:20,507 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828132155]
[2024-11-03 15:19:20,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 15:19:20,508 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 15:19:20,508 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:19:20,509 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 15:19:20,509 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 15:19:20,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 15:19:20,858 INFO  L255         TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 15:19:20,859 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 15:19:22,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:19:22,597 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 15:19:24,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:19:24,744 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 15:19:24,744 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828132155]
[2024-11-03 15:19:24,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [828132155] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 15:19:24,744 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 15:19:24,745 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6
[2024-11-03 15:19:24,745 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005254253]
[2024-11-03 15:19:24,745 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 15:19:24,745 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 15:19:24,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 15:19:24,746 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 15:19:24,746 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 15:19:24,746 INFO  L87              Difference]: Start difference. First operand 125 states and 164 transitions. Second operand  has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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)
[2024-11-03 15:19:25,481 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 15:19:25,482 INFO  L93              Difference]: Finished difference Result 136 states and 176 transitions.
[2024-11-03 15:19:25,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 15:19:25,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 17
[2024-11-03 15:19:25,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 15:19:25,484 INFO  L225             Difference]: With dead ends: 136
[2024-11-03 15:19:25,484 INFO  L226             Difference]: Without dead ends: 116
[2024-11-03 15:19:25,484 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 15:19:25,485 INFO  L432           NwaCegarLoop]: 161 mSDtfsCounter, 29 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-03 15:19:25,485 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 623 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-03 15:19:25,486 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2024-11-03 15:19:25,493 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116.
[2024-11-03 15:19:25,494 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 116 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 104 states have internal predecessors, (138), 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)
[2024-11-03 15:19:25,494 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 150 transitions.
[2024-11-03 15:19:25,494 INFO  L78                 Accepts]: Start accepts. Automaton has 116 states and 150 transitions. Word has length 17
[2024-11-03 15:19:25,495 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 15:19:25,495 INFO  L471      AbstractCegarLoop]: Abstraction has 116 states and 150 transitions.
[2024-11-03 15:19:25,495 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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)
[2024-11-03 15:19:25,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions.
[2024-11-03 15:19:25,497 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2024-11-03 15:19:25,497 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 15:19:25,497 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]
[2024-11-03 15:19:25,504 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 15:19:25,701 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:19:25,702 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 15:19:25,702 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 15:19:25,703 INFO  L85        PathProgramCache]: Analyzing trace with hash 2113122108, now seen corresponding path program 1 times
[2024-11-03 15:19:25,703 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 15:19:25,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925231600]
[2024-11-03 15:19:25,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 15:19:25,703 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 15:19:25,703 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:19:25,704 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 15:19:25,705 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 15:19:26,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 15:19:26,128 INFO  L255         TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 15:19:26,131 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 15:19:28,454 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-03 15:19:28,454 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 15:19:36,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-03 15:19:36,902 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 15:19:36,902 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925231600]
[2024-11-03 15:19:36,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [925231600] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 15:19:36,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 15:19:36,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9
[2024-11-03 15:19:36,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799621907]
[2024-11-03 15:19:36,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 15:19:36,903 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 15:19:36,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 15:19:36,904 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 15:19:36,904 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-11-03 15:19:36,904 INFO  L87              Difference]: Start difference. First operand 116 states and 150 transitions. Second operand  has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7)
[2024-11-03 15:19:38,296 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 15:19:38,297 INFO  L93              Difference]: Finished difference Result 234 states and 306 transitions.
[2024-11-03 15:19:38,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-03 15:19:38,298 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 62
[2024-11-03 15:19:38,298 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 15:19:38,300 INFO  L225             Difference]: With dead ends: 234
[2024-11-03 15:19:38,300 INFO  L226             Difference]: Without dead ends: 124
[2024-11-03 15:19:38,301 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-11-03 15:19:38,302 INFO  L432           NwaCegarLoop]: 146 mSDtfsCounter, 28 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-03 15:19:38,304 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 695 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-03 15:19:38,305 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2024-11-03 15:19:38,313 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 117.
[2024-11-03 15:19:38,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 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)
[2024-11-03 15:19:38,314 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 151 transitions.
[2024-11-03 15:19:38,317 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 151 transitions. Word has length 62
[2024-11-03 15:19:38,317 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 15:19:38,317 INFO  L471      AbstractCegarLoop]: Abstraction has 117 states and 151 transitions.
[2024-11-03 15:19:38,317 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7)
[2024-11-03 15:19:38,317 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions.
[2024-11-03 15:19:38,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-11-03 15:19:38,319 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 15:19:38,319 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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]
[2024-11-03 15:19:38,325 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 15:19:38,519 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:19:38,520 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 15:19:38,520 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 15:19:38,520 INFO  L85        PathProgramCache]: Analyzing trace with hash 139466172, now seen corresponding path program 1 times
[2024-11-03 15:19:38,520 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 15:19:38,520 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808512095]
[2024-11-03 15:19:38,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 15:19:38,521 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 15:19:38,521 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 15:19:38,522 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 15:19:38,523 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 15:19:38,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 15:19:38,952 INFO  L255         TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-03 15:19:38,955 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 15:19:51,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-11-03 15:19:51,955 INFO  L311         TraceCheckSpWp]: Computing backward predicates...