/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/tanh_w16_r1_case_1_safe.c-amalgamation.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:02:29,028 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:02:29,102 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 04:02:29,110 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:02:29,110 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:02:29,140 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:02:29,141 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:02:29,141 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:02:29,142 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:02:29,143 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:02:29,144 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:02:29,144 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:02:29,144 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:02:29,144 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:02:29,145 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:02:29,145 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:02:29,145 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:02:29,146 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:02:29,146 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:02:29,149 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:02:29,149 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:02:29,150 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:02:29,151 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:02:29,151 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:02:29,151 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:02:29,151 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:02:29,151 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:02:29,152 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:02:29,152 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:02:29,152 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:02:29,152 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:02:29,152 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:02:29,153 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:02:29,153 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:02:29,153 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:02:29,154 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:02:29,154 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:02:29,154 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:02:29,154 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:02:29,154 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:02:29,154 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:02:29,155 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:02:29,155 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:02:29,155 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:02:29,156 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-03 04:02:29,362 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:02:29,380 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:02:29,382 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:02:29,383 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:02:29,384 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:02:29,385 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/tanh_w16_r1_case_1_safe.c-amalgamation.i
[2024-11-03 04:02:30,716 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:02:31,138 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:02:31,138 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/tanh_w16_r1_case_1_safe.c-amalgamation.i
[2024-11-03 04:02:31,175 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ceb8206/f2e7ed98666b4f6c84440a974b752343/FLAGf12130620
[2024-11-03 04:02:31,288 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75ceb8206/f2e7ed98666b4f6c84440a974b752343
[2024-11-03 04:02:31,290 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:02:31,291 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:02:31,292 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:02:31,293 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:02:31,297 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:02:31,297 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:02:31" (1/1) ...
[2024-11-03 04:02:31,298 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100de40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:31, skipping insertion in model container
[2024-11-03 04:02:31,298 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:02:31" (1/1) ...
[2024-11-03 04:02:31,368 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:02:32,125 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_w16_r1_case_1_safe.c-amalgamation.i[72229,72242]
[2024-11-03 04:02:32,485 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 04:02:32,524 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:02:32,537 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:02:32,607 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_w16_r1_case_1_safe.c-amalgamation.i[72229,72242]
[2024-11-03 04:02:32,825 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:02:33,028 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:02:33,028 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33 WrapperNode
[2024-11-03 04:02:33,028 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:02:33,029 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:02:33,029 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:02:33,029 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:02:33,034 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,120 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,212 INFO  L138                Inliner]: procedures = 780, calls = 2865, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 1059
[2024-11-03 04:02:33,213 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:02:33,213 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:02:33,213 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:02:33,213 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:02:33,223 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,223 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,237 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,289 INFO  L175           MemorySlicer]: Split 745 memory accesses to 12 slices as follows [2, 7, 2, 9, 79, 12, 67, 20, 10, 515, 11, 11]. 69 percent of accesses are in the largest equivalence class. The 147 initializations are split as follows [2, 7, 2, 8, 48, 8, 32, 16, 8, 0, 8, 8]. The 548 writes are split as follows [0, 0, 0, 0, 14, 0, 17, 3, 0, 514, 0, 0].
[2024-11-03 04:02:33,289 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,289 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,336 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,350 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,371 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,383 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,407 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:02:33,410 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:02:33,411 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:02:33,411 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:02:33,412 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (1/1) ...
[2024-11-03 04:02:33,416 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:02:33,426 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:02:33,445 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 04:02:33,449 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 04:02:33,473 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-03 04:02:33,473 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-03 04:02:33,474 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNN
[2024-11-03 04:02:33,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-03 04:02:33,475 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:02:33,476 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3
[2024-11-03 04:02:33,476 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4
[2024-11-03 04:02:33,477 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5
[2024-11-03 04:02:33,477 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6
[2024-11-03 04:02:33,477 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7
[2024-11-03 04:02:33,477 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8
[2024-11-03 04:02:33,477 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9
[2024-11-03 04:02:33,479 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10
[2024-11-03 04:02:33,479 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11
[2024-11-03 04:02:33,479 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9
[2024-11-03 04:02:33,480 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10
[2024-11-03 04:02:33,481 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11
[2024-11-03 04:02:33,481 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-03 04:02:33,481 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-03 04:02:33,481 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-03 04:02:33,481 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-03 04:02:33,481 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-03 04:02:33,481 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-03 04:02:33,482 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-03 04:02:33,483 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_affine_matmul
[2024-11-03 04:02:33,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul
[2024-11-03 04:02:33,483 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-03 04:02:33,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-03 04:02:33,483 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-03 04:02:33,484 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-03 04:02:33,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-03 04:02:33,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-03 04:02:33,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-03 04:02:33,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-03 04:02:33,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-03 04:02:33,485 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9
[2024-11-03 04:02:33,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-03 04:02:33,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell
[2024-11-03 04:02:33,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-03 04:02:33,519 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-03 04:02:33,520 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-03 04:02:33,520 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-03 04:02:33,520 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-03 04:02:33,520 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-03 04:02:33,520 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-03 04:02:33,520 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-03 04:02:33,522 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8
[2024-11-03 04:02:33,523 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9
[2024-11-03 04:02:33,524 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10
[2024-11-03 04:02:33,524 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11
[2024-11-03 04:02:33,850 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:02:33,853 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:02:48,438 INFO  L?                        ?]: Removed 166 outVars from TransFormulas that were not future-live.
[2024-11-03 04:02:48,438 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:02:48,458 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:02:48,459 INFO  L316             CfgBuilder]: Removed 20 assume(true) statements.
[2024-11-03 04:02:48,460 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:02:48 BoogieIcfgContainer
[2024-11-03 04:02:48,460 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:02:48,462 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:02:48,462 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:02:48,466 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:02:48,466 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:02:31" (1/3) ...
[2024-11-03 04:02:48,467 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7811236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:02:48, skipping insertion in model container
[2024-11-03 04:02:48,467 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:02:33" (2/3) ...
[2024-11-03 04:02:48,467 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7811236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:02:48, skipping insertion in model container
[2024-11-03 04:02:48,467 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:02:48" (3/3) ...
[2024-11-03 04:02:48,469 INFO  L112   eAbstractionObserver]: Analyzing ICFG tanh_w16_r1_case_1_safe.c-amalgamation.i
[2024-11-03 04:02:48,484 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:02:48,484 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:02:48,553 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:02:48,561 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;@7215ea9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:02:48,561 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:02:48,567 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 146 states, 132 states have (on average 1.553030303030303) internal successors, (205), 133 states have internal predecessors, (205), 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 04:02:48,580 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-03 04:02:48,580 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:02:48,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:02:48,582 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:02:48,587 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:02:48,587 INFO  L85        PathProgramCache]: Analyzing trace with hash 2110824854, now seen corresponding path program 1 times
[2024-11-03 04:02:48,595 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:02:48,595 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896812854]
[2024-11-03 04:02:48,595 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:02:48,597 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 04:02:48,597 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 04:02:48,600 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:02:48,602 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 04:03:21,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:03:21,900 INFO  L255         TraceCheckSpWp]: Trace formula consists of 5761 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:03:21,908 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:03:21,924 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 04:03:21,924 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:03:21,936 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 04:03:21,937 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:03:21,937 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896812854]
[2024-11-03 04:03:21,938 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [896812854] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:03:21,938 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:03:21,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 04:03:21,943 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297696050]
[2024-11-03 04:03:21,944 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:03:21,947 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:03:21,947 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:03:21,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:03:21,962 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:03:21,964 INFO  L87              Difference]: Start difference. First operand  has 146 states, 132 states have (on average 1.553030303030303) internal successors, (205), 133 states have internal predecessors, (205), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 04:03:21,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:03:21,999 INFO  L93              Difference]: Finished difference Result 288 states and 438 transitions.
[2024-11-03 04:03:22,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:03:22,001 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 35
[2024-11-03 04:03:22,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:03:22,009 INFO  L225             Difference]: With dead ends: 288
[2024-11-03 04:03:22,009 INFO  L226             Difference]: Without dead ends: 142
[2024-11-03 04:03:22,012 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 04:03:22,015 INFO  L432           NwaCegarLoop]: 191 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, 191 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 04:03:22,015 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:03:22,029 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2024-11-03 04:03:22,056 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2024-11-03 04:03:22,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 142 states, 129 states have (on average 1.3410852713178294) internal successors, (173), 129 states have internal predecessors, (173), 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 04:03:22,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 187 transitions.
[2024-11-03 04:03:22,061 INFO  L78                 Accepts]: Start accepts. Automaton has 142 states and 187 transitions. Word has length 35
[2024-11-03 04:03:22,061 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:03:22,062 INFO  L471      AbstractCegarLoop]: Abstraction has 142 states and 187 transitions.
[2024-11-03 04:03:22,062 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 04:03:22,062 INFO  L276                IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions.
[2024-11-03 04:03:22,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-03 04:03:22,063 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:03:22,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 04:03:22,095 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 04:03:22,264 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-03 04:03:22,264 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:03:22,265 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:03:22,265 INFO  L85        PathProgramCache]: Analyzing trace with hash 167905785, now seen corresponding path program 1 times
[2024-11-03 04:03:22,265 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:03:22,266 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359960725]
[2024-11-03 04:03:22,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:03:22,266 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-03 04:03:22,266 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-03 04:03:22,268 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 04:03:22,269 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 04:04:04,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:04:04,617 INFO  L255         TraceCheckSpWp]: Trace formula consists of 5761 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-03 04:04:04,623 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:04:07,890 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 04:04:07,891 INFO  L311         TraceCheckSpWp]: Computing backward predicates...