/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 00:17:28,955 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 00:17:29,033 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 00:17:29,040 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 00:17:29,040 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 00:17:29,069 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 00:17:29,069 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 00:17:29,070 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 00:17:29,072 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 00:17:29,073 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 00:17:29,073 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 00:17:29,073 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 00:17:29,074 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 00:17:29,074 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 00:17:29,074 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 00:17:29,075 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 00:17:29,075 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 00:17:29,076 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 00:17:29,076 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 00:17:29,079 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 00:17:29,079 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 00:17:29,083 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 00:17:29,084 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 00:17:29,084 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 00:17:29,084 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 00:17:29,084 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 00:17:29,085 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 00:17:29,085 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 00:17:29,085 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 00:17:29,085 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 00:17:29,086 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 00:17:29,086 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 00:17:29,086 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 00:17:29,086 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 00:17:29,089 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 00:17:29,090 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 00:17:29,090 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 00:17:29,090 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 00:17:29,090 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 00:17:29,091 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 00:17:29,091 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 00:17:29,091 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 00:17:29,091 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 00:17:29,092 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 00:17:29,092 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:17:29,363 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 00:17:29,392 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 00:17:29,398 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 00:17:29,399 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 00:17:29,400 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 00:17:29,401 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i
[2024-11-03 00:17:30,943 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 00:17:31,352 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 00:17:31,354 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i
[2024-11-03 00:17:31,388 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7909c633c/da2f4e0c1e0f4166b6d7503c39c6a13d/FLAGea44f72a4
[2024-11-03 00:17:31,538 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7909c633c/da2f4e0c1e0f4166b6d7503c39c6a13d
[2024-11-03 00:17:31,540 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 00:17:31,541 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 00:17:31,542 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 00:17:31,543 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 00:17:31,549 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 00:17:31,550 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:17:31" (1/1) ...
[2024-11-03 00:17:31,551 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9563ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:31, skipping insertion in model container
[2024-11-03 00:17:31,551 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:17:31" (1/1) ...
[2024-11-03 00:17:31,626 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 00:17:32,449 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/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424]
[2024-11-03 00:17:32,734 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 00:17:32,792 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 00:17:32,813 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 00:17:32,887 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/softsign_w4_r2_case_0_safe.c-amalgamation.i[71411,71424]
[2024-11-03 00:17:33,040 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 00:17:33,380 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 00:17:33,381 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33 WrapperNode
[2024-11-03 00:17:33,381 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 00:17:33,382 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 00:17:33,382 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 00:17:33,382 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 00:17:33,390 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,471 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,536 INFO  L138                Inliner]: procedures = 780, calls = 713, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 413
[2024-11-03 00:17:33,537 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 00:17:33,541 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 00:17:33,541 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 00:17:33,541 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 00:17:33,553 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,553 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,568 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,626 INFO  L175           MemorySlicer]: Split 177 memory accesses to 12 slices as follows [23, 2, 7, 2, 11, 9, 35, 10, 11, 12, 12, 43]. 24 percent of accesses are in the largest equivalence class. The 83 initializations are split as follows [12, 2, 7, 2, 8, 8, 0, 8, 8, 8, 8, 12]. The 56 writes are split as follows [5, 0, 0, 0, 0, 0, 34, 0, 0, 0, 3, 14].
[2024-11-03 00:17:33,627 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,627 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,684 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,694 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,714 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,724 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,741 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 00:17:33,745 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 00:17:33,745 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 00:17:33,745 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 00:17:33,746 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (1/1) ...
[2024-11-03 00:17:33,751 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 00:17:33,763 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:17:33,779 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 00:17:33,785 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 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-03 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-03 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-03 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-03 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-03 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-03 00:17:33,814 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNN
[2024-11-03 00:17:33,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-03 00:17:33,815 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11
[2024-11-03 00:17:33,816 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 00:17:33,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6
[2024-11-03 00:17:33,817 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7
[2024-11-03 00:17:33,818 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8
[2024-11-03 00:17:33,818 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9
[2024-11-03 00:17:33,818 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10
[2024-11-03 00:17:33,818 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11
[2024-11-03 00:17:33,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8
[2024-11-03 00:17:33,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9
[2024-11-03 00:17:33,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10
[2024-11-03 00:17:33,822 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11
[2024-11-03 00:17:33,822 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-03 00:17:33,823 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-03 00:17:33,823 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-03 00:17:33,823 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-03 00:17:33,824 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-03 00:17:33,825 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_affine_matmul
[2024-11-03 00:17:33,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul
[2024-11-03 00:17:33,825 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-03 00:17:33,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID
[2024-11-03 00:17:33,825 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-03 00:17:33,825 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-03 00:17:33,826 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11
[2024-11-03 00:17:33,827 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11
[2024-11-03 00:17:33,828 INFO  L130     BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell
[2024-11-03 00:17:33,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell
[2024-11-03 00:17:33,829 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-03 00:17:33,829 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-03 00:17:33,829 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-03 00:17:33,829 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-03 00:17:33,829 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-03 00:17:33,831 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-03 00:17:33,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10
[2024-11-03 00:17:33,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11
[2024-11-03 00:17:34,233 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 00:17:34,236 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 00:17:44,354 INFO  L?                        ?]: Removed 154 outVars from TransFormulas that were not future-live.
[2024-11-03 00:17:44,354 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 00:17:44,376 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 00:17:44,377 INFO  L316             CfgBuilder]: Removed 20 assume(true) statements.
[2024-11-03 00:17:44,377 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:17:44 BoogieIcfgContainer
[2024-11-03 00:17:44,377 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 00:17:44,379 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 00:17:44,379 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 00:17:44,383 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 00:17:44,383 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:17:31" (1/3) ...
[2024-11-03 00:17:44,384 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56638a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:17:44, skipping insertion in model container
[2024-11-03 00:17:44,384 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:17:33" (2/3) ...
[2024-11-03 00:17:44,385 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56638a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:17:44, skipping insertion in model container
[2024-11-03 00:17:44,385 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:17:44" (3/3) ...
[2024-11-03 00:17:44,386 INFO  L112   eAbstractionObserver]: Analyzing ICFG softsign_w4_r2_case_0_safe.c-amalgamation.i
[2024-11-03 00:17:44,403 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 00:17:44,404 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 00:17:44,476 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 00:17:44,485 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;@1962e52d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 00:17:44,485 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 00:17:44,491 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 00:17:44,501 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 00:17:44,502 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:17:44,502 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 00:17:44,504 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:17:44,510 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:17:44,510 INFO  L85        PathProgramCache]: Analyzing trace with hash 67219695, now seen corresponding path program 1 times
[2024-11-03 00:17:44,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:17:44,520 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363729924]
[2024-11-03 00:17:44,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:17:44,522 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:17:44,523 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:17:44,525 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-03 00:17:44,527 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-03 00:17:45,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:17:45,392 INFO  L255         TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 00:17:45,399 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:17:45,411 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 00:17:45,411 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:17:45,545 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 00:17:45,548 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:17:45,548 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363729924]
[2024-11-03 00:17:45,549 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [363729924] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:17:45,549 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:17:45,549 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 00:17:45,551 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550437359]
[2024-11-03 00:17:45,552 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:17:45,556 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 00:17:45,557 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:17:45,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 00:17:45,580 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 00:17:45,584 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-03 00:17:45,630 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:17:45,630 INFO  L93              Difference]: Finished difference Result 252 states and 378 transitions.
[2024-11-03 00:17:45,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 00:17:45,633 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2024-11-03 00:17:45,633 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:17:45,644 INFO  L225             Difference]: With dead ends: 252
[2024-11-03 00:17:45,644 INFO  L226             Difference]: Without dead ends: 124
[2024-11-03 00:17:45,649 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 00:17:45,654 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 00:17:45,654 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 00:17:45,671 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2024-11-03 00:17:45,697 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124.
[2024-11-03 00:17:45,698 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 00:17:45,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 163 transitions.
[2024-11-03 00:17:45,704 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 163 transitions. Word has length 17
[2024-11-03 00:17:45,704 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:17:45,705 INFO  L471      AbstractCegarLoop]: Abstraction has 124 states and 163 transitions.
[2024-11-03 00:17:45,705 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-03 00:17:45,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions.
[2024-11-03 00:17:45,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 00:17:45,710 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:17:45,710 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 00:17:45,735 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-03 00:17:45,911 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:17:45,912 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:17:45,912 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:17:45,912 INFO  L85        PathProgramCache]: Analyzing trace with hash 612732690, now seen corresponding path program 1 times
[2024-11-03 00:17:45,913 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:17:45,913 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695634362]
[2024-11-03 00:17:45,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:17:45,913 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:17:45,913 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:17:45,915 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-03 00:17:45,917 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-03 00:17:46,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:17:46,607 INFO  L255         TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-03 00:17:46,611 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:17:49,489 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 00:17:49,490 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:17:52,884 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 00:17:52,885 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:17:52,885 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695634362]
[2024-11-03 00:17:52,885 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [695634362] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:17:52,885 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:17:52,885 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 13
[2024-11-03 00:17:52,886 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856450450]
[2024-11-03 00:17:52,886 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:17:52,888 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-03 00:17:52,889 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:17:52,890 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-03 00:17:52,890 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-11-03 00:17:52,890 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 00:17:59,371 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 00:18:03,553 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 00:18:07,559 WARN  L539   Checker$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 00:18:11,720 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 00:18:15,735 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-03 00:18:19,746 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-03 00:18:23,752 WARN  L539   Checker$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 00:18:28,014 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-03 00:18:32,210 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s 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 00:18:42,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:18:42,306 INFO  L93              Difference]: Finished difference Result 150 states and 196 transitions.
[2024-11-03 00:18:42,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 00:18:42,310 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 00:18:42,310 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:18:42,313 INFO  L225             Difference]: With dead ends: 150
[2024-11-03 00:18:42,313 INFO  L226             Difference]: Without dead ends: 138
[2024-11-03 00:18:42,314 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2024-11-03 00:18:42,315 INFO  L432           NwaCegarLoop]: 159 mSDtfsCounter, 262 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 8 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.4s 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, 48.4s IncrementalHoareTripleChecker+Time
[2024-11-03 00:18:42,316 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1021 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 139 Invalid, 9 Unknown, 0 Unchecked, 48.4s Time]
[2024-11-03 00:18:42,317 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-03 00:18:42,335 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 125.
[2024-11-03 00:18:42,336 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 00:18:42,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 164 transitions.
[2024-11-03 00:18:42,338 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 164 transitions. Word has length 17
[2024-11-03 00:18:42,338 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:18:42,339 INFO  L471      AbstractCegarLoop]: Abstraction has 125 states and 164 transitions.
[2024-11-03 00:18:42,339 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 00:18:42,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 164 transitions.
[2024-11-03 00:18:42,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-03 00:18:42,340 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:18:42,340 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 00:18:42,360 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-03 00:18:42,541 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:18:42,541 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:18:42,542 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:18:42,542 INFO  L85        PathProgramCache]: Analyzing trace with hash 1685630519, now seen corresponding path program 1 times
[2024-11-03 00:18:42,542 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:18:42,542 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692871654]
[2024-11-03 00:18:42,543 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:18:42,543 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:18:42,543 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:18:42,545 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-03 00:18:42,546 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-03 00:18:43,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:18:43,218 INFO  L255         TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 00:18:43,222 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:18:45,350 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 00:18:45,350 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:18:47,953 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 00:18:47,953 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:18:47,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692871654]
[2024-11-03 00:18:47,953 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [692871654] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:18:47,954 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:18:47,954 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6
[2024-11-03 00:18:47,954 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52596455]
[2024-11-03 00:18:47,954 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:18:47,954 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 00:18:47,955 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:18:47,955 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 00:18:47,955 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 00:18:47,956 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 00:18:48,827 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:18:48,828 INFO  L93              Difference]: Finished difference Result 136 states and 176 transitions.
[2024-11-03 00:18:48,829 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 00:18:48,830 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 00:18:48,830 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:18:48,831 INFO  L225             Difference]: With dead ends: 136
[2024-11-03 00:18:48,831 INFO  L226             Difference]: Without dead ends: 116
[2024-11-03 00:18:48,832 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-03 00:18:48,833 INFO  L432           NwaCegarLoop]: 161 mSDtfsCounter, 29 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-03 00:18:48,838 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 623 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-03 00:18:48,839 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2024-11-03 00:18:48,858 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116.
[2024-11-03 00:18:48,860 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 00:18:48,861 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 150 transitions.
[2024-11-03 00:18:48,861 INFO  L78                 Accepts]: Start accepts. Automaton has 116 states and 150 transitions. Word has length 17
[2024-11-03 00:18:48,861 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:18:48,861 INFO  L471      AbstractCegarLoop]: Abstraction has 116 states and 150 transitions.
[2024-11-03 00:18:48,861 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 00:18:48,861 INFO  L276                IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions.
[2024-11-03 00:18:48,867 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2024-11-03 00:18:48,867 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:18:48,867 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 00:18:48,897 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-03 00:18:49,068 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:18:49,069 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:18:49,069 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:18:49,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 555292476, now seen corresponding path program 1 times
[2024-11-03 00:18:49,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:18:49,070 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710388964]
[2024-11-03 00:18:49,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:18:49,070 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:18:49,071 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:18:49,072 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-03 00:18:49,073 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-03 00:18:49,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:18:49,750 INFO  L255         TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 00:18:49,754 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:18:50,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-03 00:18:50,635 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 00:18:55,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-03 00:18:55,894 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 00:18:55,894 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710388964]
[2024-11-03 00:18:55,894 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1710388964] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 00:18:55,894 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 00:18:55,895 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 00:18:55,895 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743079609]
[2024-11-03 00:18:55,895 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 00:18:55,895 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 00:18:55,895 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 00:18:55,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 00:18:55,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 00:18:55,900 INFO  L87              Difference]: Start difference. First operand 116 states and 150 transitions. Second operand  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-03 00:18:56,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 00:18:56,311 INFO  L93              Difference]: Finished difference Result 230 states and 301 transitions.
[2024-11-03 00:18:56,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 00:18:56,312 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 62
[2024-11-03 00:18:56,313 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 00:18:56,314 INFO  L225             Difference]: With dead ends: 230
[2024-11-03 00:18:56,314 INFO  L226             Difference]: Without dead ends: 123
[2024-11-03 00:18:56,315 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 00:18:56,316 INFO  L432           NwaCegarLoop]: 152 mSDtfsCounter, 2 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-03 00:18:56,317 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 297 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-03 00:18:56,318 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2024-11-03 00:18:56,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123.
[2024-11-03 00:18:56,333 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 123 states, 110 states have (on average 1.3181818181818181) internal successors, (145), 110 states have internal predecessors, (145), 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 00:18:56,334 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions.
[2024-11-03 00:18:56,335 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 159 transitions. Word has length 62
[2024-11-03 00:18:56,335 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 00:18:56,335 INFO  L471      AbstractCegarLoop]: Abstraction has 123 states and 159 transitions.
[2024-11-03 00:18:56,336 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-03 00:18:56,336 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions.
[2024-11-03 00:18:56,369 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-03 00:18:56,370 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 00:18:56,370 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 00:18:56,408 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-03 00:18:56,570 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:18:56,571 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 00:18:56,572 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 00:18:56,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -2010215692, now seen corresponding path program 1 times
[2024-11-03 00:18:56,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 00:18:56,573 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270018333]
[2024-11-03 00:18:56,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 00:18:56,573 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-03 00:18:56,573 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 00:18:56,575 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-03 00:18:56,576 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-03 00:18:57,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 00:18:57,271 INFO  L255         TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 00:18:57,275 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 00:18:59,909 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 00:18:59,910 INFO  L311         TraceCheckSpWp]: Computing backward predicates...