./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 84cfde4a
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 950fd5ff5cc9d2c5e3d846192e43f4963ef3abd0ec7056eb5d764989d48b2064
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-84cfde4
[2024-10-10 22:27:07,847 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-10 22:27:07,938 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-10-10 22:27:07,946 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-10 22:27:07,947 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-10 22:27:07,974 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-10 22:27:07,974 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-10 22:27:07,975 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-10 22:27:07,976 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-10 22:27:07,976 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-10 22:27:07,977 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-10 22:27:07,977 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-10 22:27:07,978 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-10 22:27:07,978 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-10 22:27:07,978 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-10 22:27:07,979 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-10 22:27:07,979 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-10 22:27:07,979 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-10 22:27:07,979 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-10 22:27:07,980 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-10 22:27:07,980 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-10 22:27:07,983 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-10 22:27:07,984 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-10 22:27:07,984 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-10 22:27:07,984 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-10 22:27:07,984 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-10 22:27:07,984 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-10 22:27:07,985 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-10 22:27:07,985 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-10 22:27:07,985 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-10 22:27:07,985 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-10 22:27:07,986 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-10 22:27:07,986 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-10 22:27:07,986 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-10 22:27:07,986 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-10 22:27:07,986 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-10 22:27:07,987 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-10 22:27:07,987 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-10 22:27:07,989 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-10 22:27:07,990 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-10 22:27:07,990 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-10 22:27:07,990 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-10 22:27:07,991 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-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 950fd5ff5cc9d2c5e3d846192e43f4963ef3abd0ec7056eb5d764989d48b2064
[2024-10-10 22:27:08,244 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-10 22:27:08,272 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-10 22:27:08,276 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-10 22:27:08,277 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-10 22:27:08,277 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-10 22:27:08,278 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm.c
[2024-10-10 22:27:09,662 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-10 22:27:09,891 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-10 22:27:09,892 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm.c
[2024-10-10 22:27:09,902 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/51edd8d8b/ee0b85185c82459c9e6932eecb96ce75/FLAG34263f372
[2024-10-10 22:27:09,917 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/51edd8d8b/ee0b85185c82459c9e6932eecb96ce75
[2024-10-10 22:27:09,919 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-10 22:27:09,920 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-10 22:27:09,923 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-10 22:27:09,924 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-10 22:27:09,929 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-10 22:27:09,930 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:27:09" (1/1) ...
[2024-10-10 22:27:09,931 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6baff989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:09, skipping insertion in model container
[2024-10-10 22:27:09,931 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 10:27:09" (1/1) ...
[2024-10-10 22:27:09,952 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-10 22:27:10,131 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm.c[586,599]
[2024-10-10 22:27:10,159 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-10 22:27:10,168 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-10 22:27:10,180 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/sqm.c[586,599]
[2024-10-10 22:27:10,191 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-10 22:27:10,211 INFO  L204         MainTranslator]: Completed translation
[2024-10-10 22:27:10,212 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10 WrapperNode
[2024-10-10 22:27:10,212 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-10 22:27:10,213 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-10 22:27:10,214 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-10 22:27:10,214 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-10 22:27:10,220 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,227 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,248 INFO  L138                Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78
[2024-10-10 22:27:10,248 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-10 22:27:10,249 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-10 22:27:10,249 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-10 22:27:10,249 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-10 22:27:10,259 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,259 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,261 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,273 INFO  L175           MemorySlicer]: Split 16 memory accesses to 4 slices as follows [2, 6, 4, 4]. 38 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6, 0, 0]. The 4 writes are split as follows [0, 0, 2, 2].
[2024-10-10 22:27:10,273 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,274 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,288 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,291 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,292 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,293 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,298 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-10 22:27:10,299 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-10 22:27:10,299 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-10 22:27:10,303 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-10 22:27:10,304 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (1/1) ...
[2024-10-10 22:27:10,311 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-10 22:27:10,321 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:10,333 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-10 22:27:10,336 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-10 22:27:10,373 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-10 22:27:10,374 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-10 22:27:10,374 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-10-10 22:27:10,374 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-10-10 22:27:10,374 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-10-10 22:27:10,374 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-10-10 22:27:10,375 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-10-10 22:27:10,375 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-10-10 22:27:10,375 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2024-10-10 22:27:10,375 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-10 22:27:10,375 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-10 22:27:10,375 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-10 22:27:10,376 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-10-10 22:27:10,376 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-10-10 22:27:10,376 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-10-10 22:27:10,376 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2024-10-10 22:27:10,444 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-10 22:27:10,446 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-10 22:27:10,591 INFO  L?                        ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-10-10 22:27:10,592 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-10 22:27:10,638 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-10 22:27:10,638 INFO  L314             CfgBuilder]: Removed 3 assume(true) statements.
[2024-10-10 22:27:10,638 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:27:10 BoogieIcfgContainer
[2024-10-10 22:27:10,639 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-10 22:27:10,644 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-10 22:27:10,645 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-10 22:27:10,648 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-10 22:27:10,649 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 10:27:09" (1/3) ...
[2024-10-10 22:27:10,649 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efa5f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:27:10, skipping insertion in model container
[2024-10-10 22:27:10,650 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 10:27:10" (2/3) ...
[2024-10-10 22:27:10,651 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efa5f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 10:27:10, skipping insertion in model container
[2024-10-10 22:27:10,651 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 10:27:10" (3/3) ...
[2024-10-10 22:27:10,652 INFO  L112   eAbstractionObserver]: Analyzing ICFG sqm.c
[2024-10-10 22:27:10,670 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-10 22:27:10,670 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-10 22:27:10,730 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-10 22:27:10,737 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;@68b4bdca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-10 22:27:10,738 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-10 22:27:10,741 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:10,747 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-10-10 22:27:10,748 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:10,748 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:10,749 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:10,757 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:10,757 INFO  L85        PathProgramCache]: Analyzing trace with hash -841652609, now seen corresponding path program 1 times
[2024-10-10 22:27:10,766 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:10,768 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632814406]
[2024-10-10 22:27:10,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:10,769 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:10,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:10,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:10,954 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:10,955 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632814406]
[2024-10-10 22:27:10,956 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632814406] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-10 22:27:10,956 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-10 22:27:10,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-10 22:27:10,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512817429]
[2024-10-10 22:27:10,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-10 22:27:10,965 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-10-10 22:27:10,965 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:10,989 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-10-10 22:27:10,990 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-10 22:27:10,992 INFO  L87              Difference]: Start difference. First operand  has 16 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,031 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:11,031 INFO  L93              Difference]: Finished difference Result 29 states and 43 transitions.
[2024-10-10 22:27:11,033 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-10 22:27:11,034 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-10-10 22:27:11,034 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:11,040 INFO  L225             Difference]: With dead ends: 29
[2024-10-10 22:27:11,041 INFO  L226             Difference]: Without dead ends: 13
[2024-10-10 22:27:11,045 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-10 22:27:11,049 INFO  L432           NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:11,052 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-10 22:27:11,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-10-10 22:27:11,106 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-10-10 22:27:11,110 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions.
[2024-10-10 22:27:11,112 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 11
[2024-10-10 22:27:11,112 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:11,112 INFO  L471      AbstractCegarLoop]: Abstraction has 13 states and 15 transitions.
[2024-10-10 22:27:11,112 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,113 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions.
[2024-10-10 22:27:11,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-10-10 22:27:11,118 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:11,118 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:11,119 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-10 22:27:11,119 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:11,120 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:11,120 INFO  L85        PathProgramCache]: Analyzing trace with hash -161594239, now seen corresponding path program 1 times
[2024-10-10 22:27:11,120 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:11,120 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663978652]
[2024-10-10 22:27:11,120 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:11,120 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:11,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-10-10 22:27:11,210 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000098854]
[2024-10-10 22:27:11,211 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:11,211 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:11,211 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:11,212 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:11,213 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-10 22:27:11,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:11,304 INFO  L255         TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:11,310 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:11,359 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-10-10 22:27:11,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:11,427 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-10 22:27:11,427 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:11,427 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663978652]
[2024-10-10 22:27:11,428 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-10-10 22:27:11,428 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000098854]
[2024-10-10 22:27:11,428 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000098854] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-10 22:27:11,428 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-10 22:27:11,428 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-10-10 22:27:11,429 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902637252]
[2024-10-10 22:27:11,430 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-10 22:27:11,430 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-10 22:27:11,431 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:11,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-10 22:27:11,431 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-10-10 22:27:11,432 INFO  L87              Difference]: Start difference. First operand 13 states and 15 transitions. Second operand  has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,500 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:11,500 INFO  L93              Difference]: Finished difference Result 25 states and 28 transitions.
[2024-10-10 22:27:11,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-10 22:27:11,502 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-10-10 22:27:11,502 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:11,502 INFO  L225             Difference]: With dead ends: 25
[2024-10-10 22:27:11,502 INFO  L226             Difference]: Without dead ends: 23
[2024-10-10 22:27:11,503 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-10-10 22:27:11,504 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:11,504 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 35 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-10 22:27:11,505 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-10-10 22:27:11,510 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 17.
[2024-10-10 22:27:11,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,512 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions.
[2024-10-10 22:27:11,512 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11
[2024-10-10 22:27:11,513 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:11,513 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 20 transitions.
[2024-10-10 22:27:11,514 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions.
[2024-10-10 22:27:11,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-10-10 22:27:11,515 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:11,515 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:11,527 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-10-10 22:27:11,715 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:11,716 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:11,716 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:11,717 INFO  L85        PathProgramCache]: Analyzing trace with hash 423082541, now seen corresponding path program 1 times
[2024-10-10 22:27:11,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:11,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838747729]
[2024-10-10 22:27:11,717 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:11,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:11,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:11,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:11,925 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:11,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838747729]
[2024-10-10 22:27:11,925 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838747729] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-10 22:27:11,926 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-10 22:27:11,926 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-10-10 22:27:11,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713181215]
[2024-10-10 22:27:11,926 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-10 22:27:11,926 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-10 22:27:11,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:11,927 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-10 22:27:11,927 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-10-10 22:27:11,927 INFO  L87              Difference]: Start difference. First operand 17 states and 20 transitions. Second operand  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,975 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:11,975 INFO  L93              Difference]: Finished difference Result 32 states and 38 transitions.
[2024-10-10 22:27:11,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-10 22:27:11,976 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-10-10 22:27:11,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:11,977 INFO  L225             Difference]: With dead ends: 32
[2024-10-10 22:27:11,978 INFO  L226             Difference]: Without dead ends: 25
[2024-10-10 22:27:11,978 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-10-10 22:27:11,979 INFO  L432           NwaCegarLoop]: 10 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:11,980 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 23 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-10 22:27:11,982 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-10-10 22:27:11,986 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20.
[2024-10-10 22:27:11,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2024-10-10 22:27:11,988 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 12
[2024-10-10 22:27:11,988 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:11,988 INFO  L471      AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2024-10-10 22:27:11,988 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:11,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2024-10-10 22:27:11,989 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-10-10 22:27:11,989 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:11,989 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:11,989 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-10 22:27:11,989 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:11,990 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:11,990 INFO  L85        PathProgramCache]: Analyzing trace with hash 1129310352, now seen corresponding path program 1 times
[2024-10-10 22:27:11,990 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:11,990 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062930004]
[2024-10-10 22:27:11,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:11,991 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:12,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-10-10 22:27:12,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076241569]
[2024-10-10 22:27:12,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:12,059 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:12,060 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:12,061 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:12,063 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-10-10 22:27:12,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:12,151 INFO  L255         TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:12,157 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:12,169 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-10-10 22:27:12,216 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15
[2024-10-10 22:27:12,226 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-10-10 22:27:12,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-10 22:27:12,295 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-10 22:27:12,504 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-10 22:27:12,505 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 217 treesize of output 167
[2024-10-10 22:27:12,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-10 22:27:12,633 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:12,633 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062930004]
[2024-10-10 22:27:12,633 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-10-10 22:27:12,633 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076241569]
[2024-10-10 22:27:12,634 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076241569] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-10 22:27:12,634 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-10-10 22:27:12,634 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2024-10-10 22:27:12,636 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88020076]
[2024-10-10 22:27:12,636 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-10-10 22:27:12,637 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-10 22:27:12,637 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:12,637 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-10 22:27:12,638 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-10-10 22:27:12,638 INFO  L87              Difference]: Start difference. First operand 20 states and 24 transitions. Second operand  has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:12,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:12,769 INFO  L93              Difference]: Finished difference Result 44 states and 51 transitions.
[2024-10-10 22:27:12,769 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-10 22:27:12,770 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-10-10 22:27:12,770 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:12,771 INFO  L225             Difference]: With dead ends: 44
[2024-10-10 22:27:12,772 INFO  L226             Difference]: Without dead ends: 42
[2024-10-10 22:27:12,772 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-10-10 22:27:12,773 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:12,773 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 45 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-10 22:27:12,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-10-10 22:27:12,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 22.
[2024-10-10 22:27:12,782 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:12,783 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions.
[2024-10-10 22:27:12,784 INFO  L78                 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 13
[2024-10-10 22:27:12,784 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:12,784 INFO  L471      AbstractCegarLoop]: Abstraction has 22 states and 28 transitions.
[2024-10-10 22:27:12,785 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:12,785 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions.
[2024-10-10 22:27:12,785 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-10-10 22:27:12,786 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:12,786 INFO  L215           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:12,802 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-10-10 22:27:12,989 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:12,990 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:12,991 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:12,992 INFO  L85        PathProgramCache]: Analyzing trace with hash 609478985, now seen corresponding path program 1 times
[2024-10-10 22:27:12,992 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:12,992 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246572772]
[2024-10-10 22:27:12,992 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:12,992 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:13,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:13,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:13,143 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:13,143 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246572772]
[2024-10-10 22:27:13,143 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246572772] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-10 22:27:13,143 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44697764]
[2024-10-10 22:27:13,144 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:13,144 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:13,144 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:13,146 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:13,148 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-10-10 22:27:13,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:13,215 INFO  L255         TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:13,216 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:13,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:13,271 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-10 22:27:13,271 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [44697764] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-10 22:27:13,271 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-10-10 22:27:13,273 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9
[2024-10-10 22:27:13,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915902951]
[2024-10-10 22:27:13,273 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-10 22:27:13,275 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-10-10 22:27:13,275 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:13,275 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-10-10 22:27:13,275 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-10-10 22:27:13,276 INFO  L87              Difference]: Start difference. First operand 22 states and 28 transitions. Second operand  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:13,353 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:13,353 INFO  L93              Difference]: Finished difference Result 37 states and 43 transitions.
[2024-10-10 22:27:13,354 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-10 22:27:13,354 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-10-10 22:27:13,354 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:13,355 INFO  L225             Difference]: With dead ends: 37
[2024-10-10 22:27:13,355 INFO  L226             Difference]: Without dead ends: 25
[2024-10-10 22:27:13,355 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110
[2024-10-10 22:27:13,356 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:13,356 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-10 22:27:13,357 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-10-10 22:27:13,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20.
[2024-10-10 22:27:13,361 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:13,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2024-10-10 22:27:13,361 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 14
[2024-10-10 22:27:13,361 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:13,361 INFO  L471      AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2024-10-10 22:27:13,362 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:13,362 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2024-10-10 22:27:13,362 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-10-10 22:27:13,362 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:13,362 INFO  L215           NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:13,379 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-10-10 22:27:13,566 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:13,567 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:13,567 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:13,567 INFO  L85        PathProgramCache]: Analyzing trace with hash 681956944, now seen corresponding path program 2 times
[2024-10-10 22:27:13,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:13,568 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132744788]
[2024-10-10 22:27:13,568 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:13,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:13,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:13,772 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:13,773 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:13,773 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132744788]
[2024-10-10 22:27:13,773 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132744788] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-10 22:27:13,773 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043473433]
[2024-10-10 22:27:13,773 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-10-10 22:27:13,773 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:13,773 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:13,777 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:13,778 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-10-10 22:27:13,853 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-10-10 22:27:13,854 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-10 22:27:13,855 INFO  L255         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:13,856 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:13,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-10 22:27:13,899 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-10 22:27:13,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-10 22:27:13,937 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043473433] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-10 22:27:13,938 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-10 22:27:13,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12
[2024-10-10 22:27:13,938 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868105680]
[2024-10-10 22:27:13,938 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-10 22:27:13,939 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-10-10 22:27:13,939 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:13,940 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-10-10 22:27:13,941 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2024-10-10 22:27:13,941 INFO  L87              Difference]: Start difference. First operand 20 states and 24 transitions. Second operand  has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:14,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:14,040 INFO  L93              Difference]: Finished difference Result 53 states and 61 transitions.
[2024-10-10 22:27:14,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-10-10 22:27:14,041 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-10-10 22:27:14,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:14,042 INFO  L225             Difference]: With dead ends: 53
[2024-10-10 22:27:14,042 INFO  L226             Difference]: Without dead ends: 42
[2024-10-10 22:27:14,043 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2024-10-10 22:27:14,043 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:14,043 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 35 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-10 22:27:14,044 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-10-10 22:27:14,051 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 24.
[2024-10-10 22:27:14,053 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:14,054 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions.
[2024-10-10 22:27:14,054 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 15
[2024-10-10 22:27:14,054 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:14,054 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 29 transitions.
[2024-10-10 22:27:14,055 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:14,055 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions.
[2024-10-10 22:27:14,055 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-10-10 22:27:14,056 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:14,056 INFO  L215           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:14,074 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-10-10 22:27:14,259 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-10-10 22:27:14,260 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:14,260 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:14,260 INFO  L85        PathProgramCache]: Analyzing trace with hash 810981082, now seen corresponding path program 1 times
[2024-10-10 22:27:14,260 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:14,260 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649662840]
[2024-10-10 22:27:14,260 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:14,260 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:14,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-10-10 22:27:14,305 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226440261]
[2024-10-10 22:27:14,305 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:14,305 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:14,305 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:14,308 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:14,309 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-10-10 22:27:14,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:14,399 INFO  L255         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 33 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:14,402 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:14,410 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-10-10 22:27:14,419 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-10-10 22:27:14,437 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-10-10 22:27:14,476 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20
[2024-10-10 22:27:14,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:14,583 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-10 22:27:15,045 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:15,046 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:15,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649662840]
[2024-10-10 22:27:15,046 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-10-10 22:27:15,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226440261]
[2024-10-10 22:27:15,046 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [226440261] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-10 22:27:15,046 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-10-10 22:27:15,046 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17
[2024-10-10 22:27:15,047 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170525372]
[2024-10-10 22:27:15,047 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-10-10 22:27:15,047 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-10-10 22:27:15,047 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:15,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-10-10 22:27:15,048 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272
[2024-10-10 22:27:15,048 INFO  L87              Difference]: Start difference. First operand 24 states and 29 transitions. Second operand  has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:15,973 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:15,974 INFO  L93              Difference]: Finished difference Result 63 states and 73 transitions.
[2024-10-10 22:27:15,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-10 22:27:15,974 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-10-10 22:27:15,974 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:15,975 INFO  L225             Difference]: With dead ends: 63
[2024-10-10 22:27:15,975 INFO  L226             Difference]: Without dead ends: 61
[2024-10-10 22:27:15,975 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702
[2024-10-10 22:27:15,976 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 92 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:15,976 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 94 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-10 22:27:15,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-10-10 22:27:15,985 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 37.
[2024-10-10 22:27:15,985 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 37 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:15,986 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions.
[2024-10-10 22:27:15,986 INFO  L78                 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 16
[2024-10-10 22:27:15,986 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:15,987 INFO  L471      AbstractCegarLoop]: Abstraction has 37 states and 47 transitions.
[2024-10-10 22:27:15,987 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:15,987 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions.
[2024-10-10 22:27:15,987 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-10-10 22:27:15,988 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:15,988 INFO  L215           NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:16,005 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-10-10 22:27:16,188 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:16,189 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:16,190 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:16,190 INFO  L85        PathProgramCache]: Analyzing trace with hash -1130108659, now seen corresponding path program 3 times
[2024-10-10 22:27:16,190 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:16,190 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678239597]
[2024-10-10 22:27:16,190 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:16,190 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:16,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-10 22:27:16,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:16,339 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-10 22:27:16,339 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678239597]
[2024-10-10 22:27:16,339 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678239597] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-10 22:27:16,339 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367008665]
[2024-10-10 22:27:16,339 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-10-10 22:27:16,339 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:16,340 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:16,341 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:16,342 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-10-10 22:27:16,505 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-10-10 22:27:16,505 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-10 22:27:16,506 INFO  L255         TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:16,507 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:16,565 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:16,566 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-10 22:27:16,615 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-10 22:27:16,616 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367008665] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-10 22:27:16,616 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-10 22:27:16,616 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14
[2024-10-10 22:27:16,616 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752269380]
[2024-10-10 22:27:16,616 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-10 22:27:16,616 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-10-10 22:27:16,616 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-10 22:27:16,617 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-10-10 22:27:16,617 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182
[2024-10-10 22:27:16,617 INFO  L87              Difference]: Start difference. First operand 37 states and 47 transitions. Second operand  has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:16,757 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-10 22:27:16,757 INFO  L93              Difference]: Finished difference Result 71 states and 82 transitions.
[2024-10-10 22:27:16,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-10-10 22:27:16,758 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-10-10 22:27:16,758 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-10 22:27:16,759 INFO  L225             Difference]: With dead ends: 71
[2024-10-10 22:27:16,759 INFO  L226             Difference]: Without dead ends: 57
[2024-10-10 22:27:16,759 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342
[2024-10-10 22:27:16,760 INFO  L432           NwaCegarLoop]: 10 mSDtfsCounter, 51 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-10 22:27:16,760 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 45 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-10 22:27:16,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-10-10 22:27:16,771 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 32.
[2024-10-10 22:27:16,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 32 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:16,773 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions.
[2024-10-10 22:27:16,774 INFO  L78                 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16
[2024-10-10 22:27:16,774 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-10 22:27:16,774 INFO  L471      AbstractCegarLoop]: Abstraction has 32 states and 39 transitions.
[2024-10-10 22:27:16,774 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-10 22:27:16,774 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions.
[2024-10-10 22:27:16,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-10-10 22:27:16,775 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-10 22:27:16,775 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-10 22:27:16,793 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-10-10 22:27:16,975 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-10-10 22:27:16,976 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-10 22:27:16,976 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-10 22:27:16,977 INFO  L85        PathProgramCache]: Analyzing trace with hash -1469567504, now seen corresponding path program 4 times
[2024-10-10 22:27:16,977 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-10 22:27:16,977 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406529954]
[2024-10-10 22:27:16,977 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-10 22:27:16,977 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-10 22:27:17,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-10-10 22:27:17,064 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134763024]
[2024-10-10 22:27:17,064 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-10-10 22:27:17,064 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-10 22:27:17,064 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-10 22:27:17,066 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-10 22:27:17,069 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-10-10 22:27:17,283 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-10-10 22:27:17,283 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-10 22:27:17,285 INFO  L255         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-10-10 22:27:17,289 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-10 22:27:17,295 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-10-10 22:27:17,335 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26
[2024-10-10 22:27:17,361 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-10 22:27:17,361 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47
[2024-10-10 22:27:17,402 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-10 22:27:17,402 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 52
[2024-10-10 22:27:17,406 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-10-10 22:27:17,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-10 22:27:17,434 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-10 22:27:33,749 WARN  L286               SmtUtils]: Spent 16.03s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-10-10 22:27:41,793 WARN  L286               SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-10-10 22:28:23,778 WARN  L286               SmtUtils]: Spent 33.06s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-10-10 22:28:23,880 INFO  L349             Elim1Store]: treesize reduction 58, result has 1.7 percent of original size
[2024-10-10 22:28:23,881 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 418 treesize of output 310
[2024-10-10 22:28:33,646 WARN  L286               SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-10-10 22:28:45,671 WARN  L286               SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)