./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-19 13:33:42,736 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-19 13:33:42,809 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-19 13:33:42,813 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 13:33:42,813 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 13:33:42,842 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 13:33:42,843 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 13:33:42,843 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 13:33:42,844 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-19 13:33:42,845 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-19 13:33:42,846 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 13:33:42,846 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 13:33:42,847 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 13:33:42,847 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-19 13:33:42,847 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-19 13:33:42,848 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 13:33:42,848 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-19 13:33:42,848 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-19 13:33:42,849 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-19 13:33:42,849 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-19 13:33:42,849 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-19 13:33:42,852 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-19 13:33:42,853 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 13:33:42,853 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-19 13:33:42,853 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-19 13:33:42,853 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-19 13:33:42,853 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-19 13:33:42,854 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-19 13:33:42,854 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-19 13:33:42,854 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-19 13:33:42,854 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 13:33:42,854 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-19 13:33:42,855 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-19 13:33:42,855 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-19 13:33:42,855 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 13:33:42,857 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 13:33:42,858 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 13:33:42,858 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-19 13:33:42,858 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-19 13:33:42,859 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 13:33:42,859 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 13:33:42,860 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 13:33:42,860 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 13:33:42,860 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 13:33:42,860 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 ! overflow) )


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 -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160
[2024-11-19 13:33:43,110 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 13:33:43,137 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 13:33:43,141 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 13:33:43,143 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-19 13:33:43,143 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-19 13:33:43,144 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i
[2024-11-19 13:33:44,637 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-19 13:33:44,914 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-19 13:33:44,915 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test1-1.i
[2024-11-19 13:33:44,940 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d458fedeb/c2befcb3d0314a3b886bc251cc4bf3e0/FLAG3f559fc5f
[2024-11-19 13:33:44,954 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d458fedeb/c2befcb3d0314a3b886bc251cc4bf3e0
[2024-11-19 13:33:44,957 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 13:33:44,958 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 13:33:44,961 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 13:33:44,962 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 13:33:44,968 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 13:33:44,968 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:44" (1/1) ...
[2024-11-19 13:33:44,969 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a51464c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:44, skipping insertion in model container
[2024-11-19 13:33:44,971 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:44" (1/1) ...
[2024-11-19 13:33:45,037 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-19 13:33:45,513 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 13:33:45,521 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-19 13:33:45,598 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 13:33:45,637 INFO  L204         MainTranslator]: Completed translation
[2024-11-19 13:33:45,637 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45 WrapperNode
[2024-11-19 13:33:45,637 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 13:33:45,638 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 13:33:45,639 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 13:33:45,639 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 13:33:45,644 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,669 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,716 INFO  L138                Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 805
[2024-11-19 13:33:45,716 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 13:33:45,717 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 13:33:45,717 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 13:33:45,721 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 13:33:45,732 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,732 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,740 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,787 INFO  L175           MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42].
[2024-11-19 13:33:45,787 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,788 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,866 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,879 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,885 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,893 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,903 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 13:33:45,904 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 13:33:45,906 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 13:33:45,906 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-19 13:33:45,907 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (1/1) ...
[2024-11-19 13:33:45,913 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 13:33:45,923 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:33:45,940 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-19 13:33:45,946 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-19 13:33:45,994 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-19 13:33:45,994 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-19 13:33:45,994 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-19 13:33:45,994 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-19 13:33:45,994 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-19 13:33:45,995 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-19 13:33:45,995 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-19 13:33:45,995 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-19 13:33:45,995 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-19 13:33:45,997 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-19 13:33:45,998 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-19 13:33:45,998 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 13:33:45,998 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 13:33:46,175 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-19 13:33:46,176 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 13:33:47,123 INFO  L?                        ?]: Removed 205 outVars from TransFormulas that were not future-live.
[2024-11-19 13:33:47,124 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-19 13:33:47,143 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 13:33:47,145 INFO  L316             CfgBuilder]: Removed 31 assume(true) statements.
[2024-11-19 13:33:47,146 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:47 BoogieIcfgContainer
[2024-11-19 13:33:47,146 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 13:33:47,147 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 13:33:47,147 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 13:33:47,152 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-19 13:33:47,152 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:33:44" (1/3) ...
[2024-11-19 13:33:47,153 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ab3c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:47, skipping insertion in model container
[2024-11-19 13:33:47,153 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:45" (2/3) ...
[2024-11-19 13:33:47,155 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ab3c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:47, skipping insertion in model container
[2024-11-19 13:33:47,155 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:47" (3/3) ...
[2024-11-19 13:33:47,156 INFO  L112   eAbstractionObserver]: Analyzing ICFG uthash_JEN_nondet_test1-1.i
[2024-11-19 13:33:47,171 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 13:33:47,172 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-19 13:33:47,236 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 13:33:47,244 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;@2a02d458, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 13:33:47,245 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-19 13:33:47,250 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 223 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 218 states have internal predecessors, (342), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:47,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-19 13:33:47,255 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:47,256 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:47,256 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:47,261 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:47,262 INFO  L85        PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times
[2024-11-19 13:33:47,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:47,271 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871739673]
[2024-11-19 13:33:47,271 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:47,272 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:47,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:47,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:33:47,446 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:47,446 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871739673]
[2024-11-19 13:33:47,446 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871739673] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:47,447 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:47,447 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:47,448 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044191633]
[2024-11-19 13:33:47,449 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:47,452 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 13:33:47,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:47,473 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 13:33:47,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 13:33:47,477 INFO  L87              Difference]: Start difference. First operand  has 223 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 218 states have internal predecessors, (342), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2024-11-19 13:33:47,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:47,577 INFO  L93              Difference]: Finished difference Result 641 states and 1013 transitions.
[2024-11-19 13:33:47,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 13:33:47,580 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2024-11-19 13:33:47,580 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:47,591 INFO  L225             Difference]: With dead ends: 641
[2024-11-19 13:33:47,591 INFO  L226             Difference]: Without dead ends: 413
[2024-11-19 13:33:47,595 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 13:33:47,598 INFO  L432           NwaCegarLoop]: 307 mSDtfsCounter, 278 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:47,602 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 610 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:47,616 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 413 states.
[2024-11-19 13:33:47,651 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 216.
[2024-11-19 13:33:47,654 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:47,656 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions.
[2024-11-19 13:33:47,662 INFO  L78                 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6
[2024-11-19 13:33:47,662 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:47,662 INFO  L471      AbstractCegarLoop]: Abstraction has 216 states and 304 transitions.
[2024-11-19 13:33:47,662 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2024-11-19 13:33:47,662 INFO  L276                IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions.
[2024-11-19 13:33:47,663 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-19 13:33:47,663 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:47,663 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:47,663 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-19 13:33:47,663 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:47,664 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:47,664 INFO  L85        PathProgramCache]: Analyzing trace with hash 1362998889, now seen corresponding path program 1 times
[2024-11-19 13:33:47,665 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:47,665 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405674245]
[2024-11-19 13:33:47,665 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:47,665 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:47,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:47,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:33:47,889 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:47,889 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405674245]
[2024-11-19 13:33:47,889 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405674245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:47,889 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:47,889 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:47,890 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540421008]
[2024-11-19 13:33:47,890 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:47,891 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:33:47,891 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:47,891 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:33:47,892 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:47,892 INFO  L87              Difference]: Start difference. First operand 216 states and 304 transitions. Second operand  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2024-11-19 13:33:47,941 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:47,941 INFO  L93              Difference]: Finished difference Result 221 states and 310 transitions.
[2024-11-19 13:33:47,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 13:33:47,942 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2024-11-19 13:33:47,942 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:47,943 INFO  L225             Difference]: With dead ends: 221
[2024-11-19 13:33:47,943 INFO  L226             Difference]: Without dead ends: 220
[2024-11-19 13:33:47,944 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:47,945 INFO  L432           NwaCegarLoop]: 300 mSDtfsCounter, 2 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:47,948 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 596 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:47,950 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2024-11-19 13:33:47,966 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219.
[2024-11-19 13:33:47,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 219 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 214 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:47,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions.
[2024-11-19 13:33:47,972 INFO  L78                 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 6
[2024-11-19 13:33:47,972 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:47,972 INFO  L471      AbstractCegarLoop]: Abstraction has 219 states and 307 transitions.
[2024-11-19 13:33:47,972 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2024-11-19 13:33:47,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions.
[2024-11-19 13:33:47,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-19 13:33:47,973 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:47,973 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:47,973 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 13:33:47,973 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:47,974 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:47,974 INFO  L85        PathProgramCache]: Analyzing trace with hash -696707334, now seen corresponding path program 1 times
[2024-11-19 13:33:47,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:47,974 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740592937]
[2024-11-19 13:33:47,974 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:47,974 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:47,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:48,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:33:48,095 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:48,096 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740592937]
[2024-11-19 13:33:48,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740592937] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:48,096 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:48,097 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:48,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946817605]
[2024-11-19 13:33:48,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:48,099 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:33:48,099 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:48,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:33:48,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:48,100 INFO  L87              Difference]: Start difference. First operand 219 states and 307 transitions. Second operand  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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)
[2024-11-19 13:33:48,124 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:48,124 INFO  L93              Difference]: Finished difference Result 221 states and 309 transitions.
[2024-11-19 13:33:48,125 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 13:33:48,125 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2024-11-19 13:33:48,125 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:48,127 INFO  L225             Difference]: With dead ends: 221
[2024-11-19 13:33:48,127 INFO  L226             Difference]: Without dead ends: 220
[2024-11-19 13:33:48,127 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:48,128 INFO  L432           NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:48,131 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 597 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:48,132 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2024-11-19 13:33:48,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220.
[2024-11-19 13:33:48,143 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 220 states, 210 states have (on average 1.438095238095238) internal successors, (302), 215 states have internal predecessors, (302), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:48,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 308 transitions.
[2024-11-19 13:33:48,145 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 308 transitions. Word has length 7
[2024-11-19 13:33:48,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:48,145 INFO  L471      AbstractCegarLoop]: Abstraction has 220 states and 308 transitions.
[2024-11-19 13:33:48,145 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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)
[2024-11-19 13:33:48,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 308 transitions.
[2024-11-19 13:33:48,148 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-19 13:33:48,148 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:48,148 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:48,148 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-19 13:33:48,149 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:48,149 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:48,149 INFO  L85        PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times
[2024-11-19 13:33:48,150 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:48,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620052224]
[2024-11-19 13:33:48,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:48,150 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:48,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:48,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:33:48,446 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:48,446 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620052224]
[2024-11-19 13:33:48,446 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620052224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:48,446 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:48,446 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-19 13:33:48,446 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947023319]
[2024-11-19 13:33:48,446 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:48,447 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-19 13:33:48,447 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:48,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-19 13:33:48,447 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-19 13:33:48,448 INFO  L87              Difference]: Start difference. First operand 220 states and 308 transitions. Second operand  has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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)
[2024-11-19 13:33:48,529 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:48,529 INFO  L93              Difference]: Finished difference Result 436 states and 612 transitions.
[2024-11-19 13:33:48,530 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 13:33:48,530 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80
[2024-11-19 13:33:48,530 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:48,532 INFO  L225             Difference]: With dead ends: 436
[2024-11-19 13:33:48,532 INFO  L226             Difference]: Without dead ends: 223
[2024-11-19 13:33:48,533 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-19 13:33:48,534 INFO  L432           NwaCegarLoop]: 275 mSDtfsCounter, 87 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:48,534 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 995 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:33:48,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2024-11-19 13:33:48,544 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220.
[2024-11-19 13:33:48,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 220 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 215 states have internal predecessors, (295), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:48,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 301 transitions.
[2024-11-19 13:33:48,546 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 301 transitions. Word has length 80
[2024-11-19 13:33:48,546 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:48,546 INFO  L471      AbstractCegarLoop]: Abstraction has 220 states and 301 transitions.
[2024-11-19 13:33:48,546 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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)
[2024-11-19 13:33:48,546 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions.
[2024-11-19 13:33:48,549 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-19 13:33:48,549 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:48,549 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:48,549 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-19 13:33:48,549 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:48,550 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:48,550 INFO  L85        PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times
[2024-11-19 13:33:48,550 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:48,550 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348563708]
[2024-11-19 13:33:48,551 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:48,551 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:48,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:48,705 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:33:48,706 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:48,706 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348563708]
[2024-11-19 13:33:48,706 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348563708] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:48,706 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:48,707 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:48,707 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910553977]
[2024-11-19 13:33:48,708 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:48,708 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 13:33:48,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:48,709 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 13:33:48,709 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 13:33:48,710 INFO  L87              Difference]: Start difference. First operand 220 states and 301 transitions. Second operand  has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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)
[2024-11-19 13:33:48,757 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:48,757 INFO  L93              Difference]: Finished difference Result 439 states and 604 transitions.
[2024-11-19 13:33:48,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 13:33:48,758 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80
[2024-11-19 13:33:48,758 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:48,760 INFO  L225             Difference]: With dead ends: 439
[2024-11-19 13:33:48,760 INFO  L226             Difference]: Without dead ends: 226
[2024-11-19 13:33:48,761 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 13:33:48,762 INFO  L432           NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:48,764 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 558 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:48,764 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 226 states.
[2024-11-19 13:33:48,771 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226.
[2024-11-19 13:33:48,774 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 226 states, 216 states have (on average 1.3935185185185186) internal successors, (301), 221 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:48,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions.
[2024-11-19 13:33:48,775 INFO  L78                 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 80
[2024-11-19 13:33:48,775 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:48,776 INFO  L471      AbstractCegarLoop]: Abstraction has 226 states and 307 transitions.
[2024-11-19 13:33:48,776 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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)
[2024-11-19 13:33:48,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions.
[2024-11-19 13:33:48,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2024-11-19 13:33:48,781 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:48,781 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:48,781 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-19 13:33:48,781 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:48,782 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:48,782 INFO  L85        PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times
[2024-11-19 13:33:48,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:48,782 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685956461]
[2024-11-19 13:33:48,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:48,782 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:48,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:48,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:33:48,952 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:48,952 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685956461]
[2024-11-19 13:33:48,952 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685956461] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:48,952 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:48,952 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:48,952 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517539943]
[2024-11-19 13:33:48,952 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:48,953 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-19 13:33:48,953 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:48,953 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-19 13:33:48,953 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 13:33:48,954 INFO  L87              Difference]: Start difference. First operand 226 states and 307 transitions. Second operand  has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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)
[2024-11-19 13:33:49,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:49,002 INFO  L93              Difference]: Finished difference Result 578 states and 800 transitions.
[2024-11-19 13:33:49,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-19 13:33:49,004 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80
[2024-11-19 13:33:49,004 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:49,006 INFO  L225             Difference]: With dead ends: 578
[2024-11-19 13:33:49,006 INFO  L226             Difference]: Without dead ends: 359
[2024-11-19 13:33:49,007 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-19 13:33:49,011 INFO  L432           NwaCegarLoop]: 295 mSDtfsCounter, 134 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:49,012 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 582 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:49,014 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 359 states.
[2024-11-19 13:33:49,023 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359.
[2024-11-19 13:33:49,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 359 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 354 states have internal predecessors, (493), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-19 13:33:49,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 499 transitions.
[2024-11-19 13:33:49,027 INFO  L78                 Accepts]: Start accepts. Automaton has 359 states and 499 transitions. Word has length 80
[2024-11-19 13:33:49,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:49,028 INFO  L471      AbstractCegarLoop]: Abstraction has 359 states and 499 transitions.
[2024-11-19 13:33:49,028 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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)
[2024-11-19 13:33:49,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 359 states and 499 transitions.
[2024-11-19 13:33:49,030 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-19 13:33:49,032 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:49,032 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:49,033 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-19 13:33:49,033 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:49,033 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:49,033 INFO  L85        PathProgramCache]: Analyzing trace with hash 1466582218, now seen corresponding path program 1 times
[2024-11-19 13:33:49,033 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:49,033 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221992192]
[2024-11-19 13:33:49,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:49,034 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:49,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:49,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:49,282 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:49,282 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221992192]
[2024-11-19 13:33:49,282 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221992192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:49,282 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:49,283 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:49,283 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046990341]
[2024-11-19 13:33:49,283 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:49,283 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:33:49,283 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:49,284 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:33:49,285 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:49,285 INFO  L87              Difference]: Start difference. First operand 359 states and 499 transitions. Second operand  has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:33:49,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:49,330 INFO  L93              Difference]: Finished difference Result 425 states and 585 transitions.
[2024-11-19 13:33:49,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 13:33:49,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95
[2024-11-19 13:33:49,332 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:49,335 INFO  L225             Difference]: With dead ends: 425
[2024-11-19 13:33:49,335 INFO  L226             Difference]: Without dead ends: 423
[2024-11-19 13:33:49,335 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:49,336 INFO  L432           NwaCegarLoop]: 291 mSDtfsCounter, 186 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:49,336 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 868 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:49,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 423 states.
[2024-11-19 13:33:49,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423.
[2024-11-19 13:33:49,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 423 states, 410 states have (on average 1.3926829268292682) internal successors, (571), 415 states have internal predecessors, (571), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-19 13:33:49,351 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 583 transitions.
[2024-11-19 13:33:49,352 INFO  L78                 Accepts]: Start accepts. Automaton has 423 states and 583 transitions. Word has length 95
[2024-11-19 13:33:49,352 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:49,352 INFO  L471      AbstractCegarLoop]: Abstraction has 423 states and 583 transitions.
[2024-11-19 13:33:49,353 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:33:49,353 INFO  L276                IsEmpty]: Start isEmpty. Operand 423 states and 583 transitions.
[2024-11-19 13:33:49,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-19 13:33:49,356 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:49,357 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:49,358 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-19 13:33:49,358 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:49,358 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:49,360 INFO  L85        PathProgramCache]: Analyzing trace with hash 1224396636, now seen corresponding path program 1 times
[2024-11-19 13:33:49,360 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:49,360 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562541189]
[2024-11-19 13:33:49,360 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:49,360 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:49,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:49,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:49,599 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:49,599 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562541189]
[2024-11-19 13:33:49,599 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562541189] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:33:49,600 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328928698]
[2024-11-19 13:33:49,600 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:49,600 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:49,600 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:33:49,602 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:33:49,604 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-19 13:33:49,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:49,892 INFO  L255         TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-19 13:33:49,923 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:33:50,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:50,128 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:33:50,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:50,289 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [328928698] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:33:50,289 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:33:50,289 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-11-19 13:33:50,289 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287153718]
[2024-11-19 13:33:50,289 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:33:50,290 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-19 13:33:50,291 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:50,291 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-19 13:33:50,292 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-19 13:33:50,292 INFO  L87              Difference]: Start difference. First operand 423 states and 583 transitions. Second operand  has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 states have internal predecessors, (264), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-19 13:33:50,398 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:50,398 INFO  L93              Difference]: Finished difference Result 638 states and 881 transitions.
[2024-11-19 13:33:50,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-19 13:33:50,399 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 states have internal predecessors, (264), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100
[2024-11-19 13:33:50,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:50,404 INFO  L225             Difference]: With dead ends: 638
[2024-11-19 13:33:50,404 INFO  L226             Difference]: Without dead ends: 630
[2024-11-19 13:33:50,405 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-19 13:33:50,406 INFO  L432           NwaCegarLoop]: 333 mSDtfsCounter, 912 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:50,406 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 1908 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:33:50,407 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 630 states.
[2024-11-19 13:33:50,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628.
[2024-11-19 13:33:50,424 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 628 states, 612 states have (on average 1.3937908496732025) internal successors, (853), 617 states have internal predecessors, (853), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-19 13:33:50,426 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 871 transitions.
[2024-11-19 13:33:50,426 INFO  L78                 Accepts]: Start accepts. Automaton has 628 states and 871 transitions. Word has length 100
[2024-11-19 13:33:50,427 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:50,427 INFO  L471      AbstractCegarLoop]: Abstraction has 628 states and 871 transitions.
[2024-11-19 13:33:50,430 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 26.4) internal successors, (264), 10 states have internal predecessors, (264), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-19 13:33:50,430 INFO  L276                IsEmpty]: Start isEmpty. Operand 628 states and 871 transitions.
[2024-11-19 13:33:50,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 101
[2024-11-19 13:33:50,431 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:50,431 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:50,451 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-19 13:33:50,631 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:50,632 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:50,632 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:50,633 INFO  L85        PathProgramCache]: Analyzing trace with hash 1223723192, now seen corresponding path program 1 times
[2024-11-19 13:33:50,633 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:50,633 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394397008]
[2024-11-19 13:33:50,633 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:50,633 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:50,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:51,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:51,262 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:51,262 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394397008]
[2024-11-19 13:33:51,262 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394397008] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:33:51,262 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14833410]
[2024-11-19 13:33:51,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:51,263 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:51,263 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:33:51,264 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:33:51,266 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-19 13:33:51,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:51,540 INFO  L255         TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-19 13:33:51,544 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:33:51,786 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:51,787 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:33:51,963 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:51,963 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [14833410] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:33:51,963 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:33:51,963 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12
[2024-11-19 13:33:51,964 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330105008]
[2024-11-19 13:33:51,964 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:33:51,964 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-19 13:33:51,965 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:51,966 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-19 13:33:51,966 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156
[2024-11-19 13:33:51,968 INFO  L87              Difference]: Start difference. First operand 628 states and 871 transitions. Second operand  has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:33:52,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:52,122 INFO  L93              Difference]: Finished difference Result 844 states and 1172 transitions.
[2024-11-19 13:33:52,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-19 13:33:52,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100
[2024-11-19 13:33:52,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:52,127 INFO  L225             Difference]: With dead ends: 844
[2024-11-19 13:33:52,127 INFO  L226             Difference]: Without dead ends: 843
[2024-11-19 13:33:52,128 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210
[2024-11-19 13:33:52,130 INFO  L432           NwaCegarLoop]: 332 mSDtfsCounter, 1130 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 2720 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:52,130 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 2720 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:33:52,131 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 843 states.
[2024-11-19 13:33:52,149 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 835.
[2024-11-19 13:33:52,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 835 states, 816 states have (on average 1.3933823529411764) internal successors, (1137), 821 states have internal predecessors, (1137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-19 13:33:52,153 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1161 transitions.
[2024-11-19 13:33:52,153 INFO  L78                 Accepts]: Start accepts. Automaton has 835 states and 1161 transitions. Word has length 100
[2024-11-19 13:33:52,153 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:52,153 INFO  L471      AbstractCegarLoop]: Abstraction has 835 states and 1161 transitions.
[2024-11-19 13:33:52,154 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 15.833333333333334) internal successors, (190), 13 states have internal predecessors, (190), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:33:52,154 INFO  L276                IsEmpty]: Start isEmpty. Operand 835 states and 1161 transitions.
[2024-11-19 13:33:52,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-11-19 13:33:52,155 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:52,155 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:52,173 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-19 13:33:52,355 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2024-11-19 13:33:52,356 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:52,356 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:52,356 INFO  L85        PathProgramCache]: Analyzing trace with hash -719286645, now seen corresponding path program 1 times
[2024-11-19 13:33:52,356 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:52,356 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142363770]
[2024-11-19 13:33:52,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:52,357 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:52,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:52,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:52,913 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:52,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142363770]
[2024-11-19 13:33:52,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142363770] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:33:52,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999325510]
[2024-11-19 13:33:52,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:52,913 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:52,914 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:33:52,915 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:33:52,917 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-19 13:33:53,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:53,230 INFO  L255         TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-19 13:33:53,239 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:33:53,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:53,428 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:33:53,598 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:53,599 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999325510] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:33:53,599 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:33:53,599 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12
[2024-11-19 13:33:53,600 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714311982]
[2024-11-19 13:33:53,600 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:33:53,600 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-19 13:33:53,601 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:53,601 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-19 13:33:53,602 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156
[2024-11-19 13:33:53,602 INFO  L87              Difference]: Start difference. First operand 835 states and 1161 transitions. Second operand  has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 13 states have internal predecessors, (193), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:33:53,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:53,722 INFO  L93              Difference]: Finished difference Result 844 states and 1169 transitions.
[2024-11-19 13:33:53,723 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-19 13:33:53,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 13 states have internal predecessors, (193), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101
[2024-11-19 13:33:53,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:53,727 INFO  L225             Difference]: With dead ends: 844
[2024-11-19 13:33:53,727 INFO  L226             Difference]: Without dead ends: 843
[2024-11-19 13:33:53,727 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210
[2024-11-19 13:33:53,728 INFO  L432           NwaCegarLoop]: 333 mSDtfsCounter, 794 mSDsluCounter, 1542 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:53,728 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1875 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:33:53,729 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 843 states.
[2024-11-19 13:33:53,745 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 836.
[2024-11-19 13:33:53,746 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 836 states, 817 states have (on average 1.390452876376989) internal successors, (1136), 822 states have internal predecessors, (1136), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-19 13:33:53,749 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1160 transitions.
[2024-11-19 13:33:53,749 INFO  L78                 Accepts]: Start accepts. Automaton has 836 states and 1160 transitions. Word has length 101
[2024-11-19 13:33:53,750 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:53,750 INFO  L471      AbstractCegarLoop]: Abstraction has 836 states and 1160 transitions.
[2024-11-19 13:33:53,750 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 13 states have internal predecessors, (193), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:33:53,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 836 states and 1160 transitions.
[2024-11-19 13:33:53,752 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2024-11-19 13:33:53,752 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:53,752 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:53,771 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-19 13:33:53,953 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:53,953 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:53,954 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:53,954 INFO  L85        PathProgramCache]: Analyzing trace with hash 61854730, now seen corresponding path program 1 times
[2024-11-19 13:33:53,954 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:53,954 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759352665]
[2024-11-19 13:33:53,954 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:53,954 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:54,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:54,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:54,352 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:54,352 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759352665]
[2024-11-19 13:33:54,352 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759352665] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:33:54,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536520064]
[2024-11-19 13:33:54,353 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:54,354 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:54,354 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:33:54,358 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:33:54,359 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-19 13:33:54,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:54,747 INFO  L255         TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-19 13:33:54,753 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:33:54,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:54,966 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-19 13:33:54,967 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [536520064] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:54,967 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-19 13:33:54,967 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-19 13:33:54,967 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305368705]
[2024-11-19 13:33:54,968 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:54,968 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-19 13:33:54,968 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:54,969 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-19 13:33:54,969 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-19 13:33:54,969 INFO  L87              Difference]: Start difference. First operand 836 states and 1160 transitions. Second operand  has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:33:55,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:55,040 INFO  L93              Difference]: Finished difference Result 836 states and 1160 transitions.
[2024-11-19 13:33:55,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-19 13:33:55,041 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 174
[2024-11-19 13:33:55,041 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:55,045 INFO  L225             Difference]: With dead ends: 836
[2024-11-19 13:33:55,045 INFO  L226             Difference]: Without dead ends: 835
[2024-11-19 13:33:55,045 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-19 13:33:55,046 INFO  L432           NwaCegarLoop]: 558 mSDtfsCounter, 381 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:55,046 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1972 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:55,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 835 states.
[2024-11-19 13:33:55,062 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835.
[2024-11-19 13:33:55,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 835 states, 817 states have (on average 1.386780905752754) internal successors, (1133), 821 states have internal predecessors, (1133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-19 13:33:55,066 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1157 transitions.
[2024-11-19 13:33:55,067 INFO  L78                 Accepts]: Start accepts. Automaton has 835 states and 1157 transitions. Word has length 174
[2024-11-19 13:33:55,067 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:55,067 INFO  L471      AbstractCegarLoop]: Abstraction has 835 states and 1157 transitions.
[2024-11-19 13:33:55,067 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:33:55,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 835 states and 1157 transitions.
[2024-11-19 13:33:55,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 255
[2024-11-19 13:33:55,070 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:55,070 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:55,089 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-19 13:33:55,274 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:55,275 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:55,275 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:55,275 INFO  L85        PathProgramCache]: Analyzing trace with hash 837795729, now seen corresponding path program 1 times
[2024-11-19 13:33:55,275 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:55,275 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643492931]
[2024-11-19 13:33:55,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:55,276 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:55,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:55,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 237 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2024-11-19 13:33:55,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:55,679 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643492931]
[2024-11-19 13:33:55,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643492931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:33:55,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:33:55,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:33:55,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659386186]
[2024-11-19 13:33:55,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:33:55,680 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:33:55,680 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:55,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:33:55,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:55,680 INFO  L87              Difference]: Start difference. First operand 835 states and 1157 transitions. Second operand  has 4 states, 3 states have (on average 57.0) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:33:55,712 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:55,712 INFO  L93              Difference]: Finished difference Result 835 states and 1157 transitions.
[2024-11-19 13:33:55,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 13:33:55,713 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 57.0) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 254
[2024-11-19 13:33:55,714 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:55,717 INFO  L225             Difference]: With dead ends: 835
[2024-11-19 13:33:55,717 INFO  L226             Difference]: Without dead ends: 834
[2024-11-19 13:33:55,717 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:33:55,718 INFO  L432           NwaCegarLoop]: 289 mSDtfsCounter, 195 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:55,719 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 592 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 13:33:55,720 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 834 states.
[2024-11-19 13:33:55,739 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 834.
[2024-11-19 13:33:55,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 834 states, 817 states have (on average 1.3843329253365972) internal successors, (1131), 820 states have internal predecessors, (1131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-19 13:33:55,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1155 transitions.
[2024-11-19 13:33:55,743 INFO  L78                 Accepts]: Start accepts. Automaton has 834 states and 1155 transitions. Word has length 254
[2024-11-19 13:33:55,744 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:55,744 INFO  L471      AbstractCegarLoop]: Abstraction has 834 states and 1155 transitions.
[2024-11-19 13:33:55,744 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 57.0) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:33:55,744 INFO  L276                IsEmpty]: Start isEmpty. Operand 834 states and 1155 transitions.
[2024-11-19 13:33:55,747 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 259
[2024-11-19 13:33:55,747 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:55,747 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:55,748 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-19 13:33:55,748 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:55,748 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:55,748 INFO  L85        PathProgramCache]: Analyzing trace with hash 773338972, now seen corresponding path program 1 times
[2024-11-19 13:33:55,749 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:55,749 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245473549]
[2024-11-19 13:33:55,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:55,749 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:55,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:56,444 INFO  L134       CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:56,444 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:33:56,444 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245473549]
[2024-11-19 13:33:56,445 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245473549] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:33:56,445 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261734067]
[2024-11-19 13:33:56,445 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:56,445 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:33:56,445 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:33:56,447 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:33:56,448 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-19 13:33:56,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:33:56,985 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-19 13:33:56,989 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:33:57,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:57,285 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:33:57,661 INFO  L134       CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:33:57,662 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [261734067] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:33:57,662 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:33:57,662 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2024-11-19 13:33:57,662 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479933997]
[2024-11-19 13:33:57,663 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:33:57,663 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-19 13:33:57,664 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:33:57,665 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-19 13:33:57,665 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-11-19 13:33:57,665 INFO  L87              Difference]: Start difference. First operand 834 states and 1155 transitions. Second operand  has 18 states, 18 states have (on average 32.22222222222222) internal successors, (580), 18 states have internal predecessors, (580), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-19 13:33:57,875 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:33:57,875 INFO  L93              Difference]: Finished difference Result 1453 states and 2017 transitions.
[2024-11-19 13:33:57,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-19 13:33:57,876 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 32.22222222222222) internal successors, (580), 18 states have internal predecessors, (580), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 258
[2024-11-19 13:33:57,877 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:33:57,882 INFO  L225             Difference]: With dead ends: 1453
[2024-11-19 13:33:57,882 INFO  L226             Difference]: Without dead ends: 1446
[2024-11-19 13:33:57,883 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2024-11-19 13:33:57,883 INFO  L432           NwaCegarLoop]: 332 mSDtfsCounter, 2983 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3002 SdHoareTripleChecker+Valid, 3653 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:33:57,884 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3002 Valid, 3653 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:33:57,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1446 states.
[2024-11-19 13:33:57,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1442.
[2024-11-19 13:33:57,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1442 states, 1416 states have (on average 1.387005649717514) internal successors, (1964), 1419 states have internal predecessors, (1964), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-19 13:33:57,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2006 transitions.
[2024-11-19 13:33:57,917 INFO  L78                 Accepts]: Start accepts. Automaton has 1442 states and 2006 transitions. Word has length 258
[2024-11-19 13:33:57,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:33:57,917 INFO  L471      AbstractCegarLoop]: Abstraction has 1442 states and 2006 transitions.
[2024-11-19 13:33:57,918 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 32.22222222222222) internal successors, (580), 18 states have internal predecessors, (580), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-19 13:33:57,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 1442 states and 2006 transitions.
[2024-11-19 13:33:57,922 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 338
[2024-11-19 13:33:57,922 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:33:57,922 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:33:57,943 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-19 13:33:58,126 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-19 13:33:58,127 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:33:58,128 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:33:58,128 INFO  L85        PathProgramCache]: Analyzing trace with hash -660072072, now seen corresponding path program 1 times
[2024-11-19 13:33:58,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:33:58,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233903968]
[2024-11-19 13:33:58,128 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:33:58,128 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:33:58,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:34:00,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:00,965 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:34:00,966 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233903968]
[2024-11-19 13:34:00,966 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233903968] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:34:00,966 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342242224]
[2024-11-19 13:34:00,966 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:34:00,966 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:34:00,966 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:34:00,968 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:34:00,970 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-19 13:34:01,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:34:01,650 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-19 13:34:01,661 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:34:02,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:02,190 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:34:02,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:02,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342242224] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:34:02,741 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:34:02,741 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27
[2024-11-19 13:34:02,741 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643824547]
[2024-11-19 13:34:02,741 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:34:02,743 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-19 13:34:02,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:34:02,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-19 13:34:02,745 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756
[2024-11-19 13:34:02,745 INFO  L87              Difference]: Start difference. First operand 1442 states and 2006 transitions. Second operand  has 28 states, 27 states have (on average 24.925925925925927) internal successors, (673), 28 states have internal predecessors, (673), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:34:03,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:34:03,115 INFO  L93              Difference]: Finished difference Result 2071 states and 2891 transitions.
[2024-11-19 13:34:03,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2024-11-19 13:34:03,116 INFO  L78                 Accepts]: Start accepts. Automaton has  has 28 states, 27 states have (on average 24.925925925925927) internal successors, (673), 28 states have internal predecessors, (673), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 337
[2024-11-19 13:34:03,117 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:34:03,124 INFO  L225             Difference]: With dead ends: 2071
[2024-11-19 13:34:03,125 INFO  L226             Difference]: Without dead ends: 2070
[2024-11-19 13:34:03,126 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056
[2024-11-19 13:34:03,126 INFO  L432           NwaCegarLoop]: 287 mSDtfsCounter, 3018 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 4045 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:34:03,127 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 4045 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:34:03,128 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2070 states.
[2024-11-19 13:34:03,167 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2057.
[2024-11-19 13:34:03,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2057 states, 2022 states have (on average 1.3872403560830862) internal successors, (2805), 2025 states have internal predecessors, (2805), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-19 13:34:03,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2865 transitions.
[2024-11-19 13:34:03,176 INFO  L78                 Accepts]: Start accepts. Automaton has 2057 states and 2865 transitions. Word has length 337
[2024-11-19 13:34:03,177 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:34:03,177 INFO  L471      AbstractCegarLoop]: Abstraction has 2057 states and 2865 transitions.
[2024-11-19 13:34:03,177 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 27 states have (on average 24.925925925925927) internal successors, (673), 28 states have internal predecessors, (673), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:34:03,177 INFO  L276                IsEmpty]: Start isEmpty. Operand 2057 states and 2865 transitions.
[2024-11-19 13:34:03,181 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 339
[2024-11-19 13:34:03,182 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:34:03,182 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:34:03,204 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-19 13:34:03,386 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:34:03,387 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:34:03,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:34:03,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 1012602315, now seen corresponding path program 1 times
[2024-11-19 13:34:03,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:34:03,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115660741]
[2024-11-19 13:34:03,388 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:34:03,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:34:03,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:34:05,956 INFO  L134       CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:05,957 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:34:05,957 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115660741]
[2024-11-19 13:34:05,957 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115660741] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:34:05,957 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146877818]
[2024-11-19 13:34:05,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:34:05,957 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:34:05,958 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:34:05,959 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:34:05,961 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-19 13:34:06,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:34:06,650 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-11-19 13:34:06,658 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:34:07,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:07,114 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:34:07,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:07,519 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146877818] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:34:07,519 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:34:07,519 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27
[2024-11-19 13:34:07,520 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619700451]
[2024-11-19 13:34:07,520 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:34:07,521 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-19 13:34:07,521 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:34:07,522 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-19 13:34:07,523 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756
[2024-11-19 13:34:07,523 INFO  L87              Difference]: Start difference. First operand 2057 states and 2865 transitions. Second operand  has 28 states, 27 states have (on average 25.037037037037038) internal successors, (676), 28 states have internal predecessors, (676), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:34:07,956 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:34:07,956 INFO  L93              Difference]: Finished difference Result 2071 states and 2885 transitions.
[2024-11-19 13:34:07,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-11-19 13:34:07,957 INFO  L78                 Accepts]: Start accepts. Automaton has  has 28 states, 27 states have (on average 25.037037037037038) internal successors, (676), 28 states have internal predecessors, (676), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 338
[2024-11-19 13:34:07,958 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:34:07,965 INFO  L225             Difference]: With dead ends: 2071
[2024-11-19 13:34:07,966 INFO  L226             Difference]: Without dead ends: 2070
[2024-11-19 13:34:07,968 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 659 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056
[2024-11-19 13:34:07,968 INFO  L432           NwaCegarLoop]: 288 mSDtfsCounter, 3624 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 4349 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:34:07,968 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3647 Valid, 4349 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:34:07,971 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2070 states.
[2024-11-19 13:34:08,011 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2058.
[2024-11-19 13:34:08,015 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2058 states, 2023 states have (on average 1.384577360355907) internal successors, (2801), 2026 states have internal predecessors, (2801), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-19 13:34:08,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2861 transitions.
[2024-11-19 13:34:08,025 INFO  L78                 Accepts]: Start accepts. Automaton has 2058 states and 2861 transitions. Word has length 338
[2024-11-19 13:34:08,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:34:08,026 INFO  L471      AbstractCegarLoop]: Abstraction has 2058 states and 2861 transitions.
[2024-11-19 13:34:08,026 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 27 states have (on average 25.037037037037038) internal successors, (676), 28 states have internal predecessors, (676), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-19 13:34:08,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 2058 states and 2861 transitions.
[2024-11-19 13:34:08,037 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 575
[2024-11-19 13:34:08,038 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:34:08,038 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:34:08,060 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-19 13:34:08,238 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:34:08,239 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:34:08,239 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:34:08,239 INFO  L85        PathProgramCache]: Analyzing trace with hash 354486108, now seen corresponding path program 2 times
[2024-11-19 13:34:08,239 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:34:08,240 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083933283]
[2024-11-19 13:34:08,240 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-19 13:34:08,240 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:34:08,583 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-19 13:34:08,584 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 13:34:10,192 INFO  L134       CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:10,193 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:34:10,193 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083933283]
[2024-11-19 13:34:10,193 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083933283] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:34:10,193 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727478134]
[2024-11-19 13:34:10,193 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-19 13:34:10,193 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:34:10,193 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:34:10,195 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:34:10,196 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-19 13:34:11,170 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-19 13:34:11,170 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 13:34:11,180 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-19 13:34:11,189 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:34:11,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:11,673 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-19 13:34:12,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-19 13:34:12,262 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727478134] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-19 13:34:12,262 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-19 13:34:12,263 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23
[2024-11-19 13:34:12,263 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973549756]
[2024-11-19 13:34:12,263 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-19 13:34:12,264 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-19 13:34:12,264 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:34:12,265 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-19 13:34:12,266 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2024-11-19 13:34:12,266 INFO  L87              Difference]: Start difference. First operand 2058 states and 2861 transitions. Second operand  has 23 states, 23 states have (on average 35.65217391304348) internal successors, (820), 23 states have internal predecessors, (820), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-19 13:34:12,555 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:34:12,555 INFO  L93              Difference]: Finished difference Result 2065 states and 2868 transitions.
[2024-11-19 13:34:12,555 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-19 13:34:12,556 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 23 states have (on average 35.65217391304348) internal successors, (820), 23 states have internal predecessors, (820), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 574
[2024-11-19 13:34:12,557 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:34:12,566 INFO  L225             Difference]: With dead ends: 2065
[2024-11-19 13:34:12,566 INFO  L226             Difference]: Without dead ends: 2058
[2024-11-19 13:34:12,567 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1163 GetRequests, 1131 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2024-11-19 13:34:12,568 INFO  L432           NwaCegarLoop]: 375 mSDtfsCounter, 4641 mSDsluCounter, 4428 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4667 SdHoareTripleChecker+Valid, 4803 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-19 13:34:12,568 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4667 Valid, 4803 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-19 13:34:12,571 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2058 states.
[2024-11-19 13:34:12,671 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2058.
[2024-11-19 13:34:12,674 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2058 states, 2023 states have (on average 1.3830944142362827) internal successors, (2798), 2026 states have internal predecessors, (2798), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-19 13:34:12,680 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2858 transitions.
[2024-11-19 13:34:12,681 INFO  L78                 Accepts]: Start accepts. Automaton has 2058 states and 2858 transitions. Word has length 574
[2024-11-19 13:34:12,682 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:34:12,682 INFO  L471      AbstractCegarLoop]: Abstraction has 2058 states and 2858 transitions.
[2024-11-19 13:34:12,682 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 35.65217391304348) internal successors, (820), 23 states have internal predecessors, (820), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-19 13:34:12,683 INFO  L276                IsEmpty]: Start isEmpty. Operand 2058 states and 2858 transitions.
[2024-11-19 13:34:12,701 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 812
[2024-11-19 13:34:12,701 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:34:12,702 INFO  L215           NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:34:12,728 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-19 13:34:12,902 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-19 13:34:12,902 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:34:12,903 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:34:12,903 INFO  L85        PathProgramCache]: Analyzing trace with hash -1702418404, now seen corresponding path program 3 times
[2024-11-19 13:34:12,903 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:34:12,903 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134079819]
[2024-11-19 13:34:12,903 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-19 13:34:12,903 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:34:13,121 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-19 13:34:13,121 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-19 13:34:13,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 3551 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 2904 trivial. 0 not checked.
[2024-11-19 13:34:13,356 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:34:13,356 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134079819]
[2024-11-19 13:34:13,356 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134079819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:34:13,357 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:34:13,357 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 13:34:13,357 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844183168]
[2024-11-19 13:34:13,358 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:34:13,359 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-19 13:34:13,359 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:34:13,359 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-19 13:34:13,359 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-19 13:34:13,359 INFO  L87              Difference]: Start difference. First operand 2058 states and 2858 transitions. Second operand  has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:34:13,887 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:34:13,887 INFO  L93              Difference]: Finished difference Result 4428 states and 6100 transitions.
[2024-11-19 13:34:13,888 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-19 13:34:13,889 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 811
[2024-11-19 13:34:13,889 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:34:13,898 INFO  L225             Difference]: With dead ends: 4428
[2024-11-19 13:34:13,898 INFO  L226             Difference]: Without dead ends: 2468
[2024-11-19 13:34:13,901 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-19 13:34:13,902 INFO  L432           NwaCegarLoop]: 279 mSDtfsCounter, 14 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-19 13:34:13,903 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 848 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-19 13:34:13,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2468 states.
[2024-11-19 13:34:13,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2418.
[2024-11-19 13:34:13,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2418 states, 2383 states have (on average 1.3545950482584976) internal successors, (3228), 2386 states have internal predecessors, (3228), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-19 13:34:13,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3288 transitions.
[2024-11-19 13:34:13,959 INFO  L78                 Accepts]: Start accepts. Automaton has 2418 states and 3288 transitions. Word has length 811
[2024-11-19 13:34:13,959 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:34:13,959 INFO  L471      AbstractCegarLoop]: Abstraction has 2418 states and 3288 transitions.
[2024-11-19 13:34:13,959 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:34:13,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 2418 states and 3288 transitions.
[2024-11-19 13:34:13,976 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 822
[2024-11-19 13:34:13,977 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:34:13,977 INFO  L215           NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:34:13,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-19 13:34:13,978 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:34:13,978 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:34:13,978 INFO  L85        PathProgramCache]: Analyzing trace with hash -656850014, now seen corresponding path program 1 times
[2024-11-19 13:34:13,978 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:34:13,978 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031410291]
[2024-11-19 13:34:13,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:34:13,978 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:34:14,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:34:15,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 3596 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked.
[2024-11-19 13:34:15,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:34:15,724 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031410291]
[2024-11-19 13:34:15,725 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031410291] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:34:15,725 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:34:15,725 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-19 13:34:15,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148285289]
[2024-11-19 13:34:15,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:34:15,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-19 13:34:15,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:34:15,727 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-19 13:34:15,727 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-19 13:34:15,727 INFO  L87              Difference]: Start difference. First operand 2418 states and 3288 transitions. Second operand  has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:34:16,265 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 13:34:16,266 INFO  L93              Difference]: Finished difference Result 4827 states and 6599 transitions.
[2024-11-19 13:34:16,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-19 13:34:16,266 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 821
[2024-11-19 13:34:16,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 13:34:16,276 INFO  L225             Difference]: With dead ends: 4827
[2024-11-19 13:34:16,276 INFO  L226             Difference]: Without dead ends: 2548
[2024-11-19 13:34:16,281 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-19 13:34:16,282 INFO  L432           NwaCegarLoop]: 272 mSDtfsCounter, 15 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-19 13:34:16,282 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1020 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-19 13:34:16,285 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2548 states.
[2024-11-19 13:34:16,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2518.
[2024-11-19 13:34:16,354 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2518 states, 2483 states have (on average 1.36045106725735) internal successors, (3378), 2486 states have internal predecessors, (3378), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-19 13:34:16,361 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3438 transitions.
[2024-11-19 13:34:16,362 INFO  L78                 Accepts]: Start accepts. Automaton has 2518 states and 3438 transitions. Word has length 821
[2024-11-19 13:34:16,363 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 13:34:16,363 INFO  L471      AbstractCegarLoop]: Abstraction has 2518 states and 3438 transitions.
[2024-11-19 13:34:16,363 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-19 13:34:16,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 2518 states and 3438 transitions.
[2024-11-19 13:34:16,377 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 822
[2024-11-19 13:34:16,377 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 13:34:16,378 INFO  L215           NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:34:16,378 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-19 13:34:16,378 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-19 13:34:16,379 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:34:16,379 INFO  L85        PathProgramCache]: Analyzing trace with hash 394509698, now seen corresponding path program 1 times
[2024-11-19 13:34:16,379 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:34:16,379 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284985843]
[2024-11-19 13:34:16,379 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:34:16,380 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms